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All about growing, preserving and cooking Chilli

How to Grow, Preserve, and Cook Chilli

Chillies are a staple ingredient in cuisines worldwide, adding depth, heat, and complexity to countless dishes. Whether you’re growing them in your backyard, preserving them for long-term storage, or using them in fiery recipes, understanding the right techniques will ensure success.

In this guide, you’ll learn how to cultivate chilli plants, choose the right varieties, and master the art of growing them in the best conditions. You’ll also discover the Scoville heat scale, which measures the intensity of different chillies, and get tips on preserving your harvest through drying, fermenting, and storing.

Finally, if you love cooking with spice, we’ll explore some flavorful ways to incorporate chilli into your meals. Scroll down to unlock the secrets of growing, preserving, and cooking this versatile ingredient!

Cultivation: How to Grow Chilli Plants

Climate and Soil Requirements

Chilli plants thrive in warm temperatures and well-draining soil. They require:

  • A temperature range between 20°C to 30°C (68°F to 86°F)
  • Sandy loam or loamy soil with a pH of 6.0 to 6.8
  • Good drainage to prevent root rot

Sunlight Needs: Full Sun vs. Partial Shade

Chillies love full sun. For optimal growth, they require at least 6-8 hours of direct sunlight per day. Insufficient sunlight can lead to leggy plants, poor fruit development, and increased susceptibility to pests.

However, in extremely hot climates, providing light afternoon shade can prevent sunscald, especially for more delicate varieties.

Watering and Fertilization

  • Water deeply but infrequently, about 2-3 times per week depending on the climate.
  • Avoid overwatering, as chillies dislike soggy roots.
  • Use a balanced organic fertilizer or compost to enrich the soil.
  • Side-dress with potassium-rich fertilizer during flowering to promote fruiting.

Spacing and Pruning

  • Space chilli plants 12-18 inches apart to allow good air circulation.
  • Prune the lower leaves and excess side branches to focus energy on fruit production.

Different Types of Chilli Plants

Chillies come in a variety of shapes, sizes, and heat levels. Here are some common types:

Mild and Sweet Varieties

  • Bell Peppers (Capsicum annuum) – Sweet, crunchy, and zero heat.
  • Pimiento Peppers – Small, sweet, and great for roasting.
  • Banana Peppers – Mild heat with a tangy flavor, often used pickled.

Medium Heat Varieties

  • Jalapeño (2,500-8,000 SHU) – A popular, versatile chilli with moderate spice.
  • Serrano (10,000-23,000 SHU) – Hotter than jalapeños with a fresh, crisp taste.
  • Cayenne (30,000-50,000 SHU) – Thin, long chillies used in dried spice blends.

Hot and Superhot Varieties

  • Thai Chilli (50,000-100,000 SHU) – Small but fiery, used in Asian cuisine.
  • Habanero (100,000-350,000 SHU) – Fruity and intensely hot.
  • Ghost Pepper (Bhut Jolokia, 800,000-1,041,427 SHU) – One of the hottest chillies in the world.
  • Carolina Reaper (1,641,183-2,200,000 SHU) – Officially the world’s hottest chilli.

Understanding the ‘Hot’ Scale: The Scoville Heat Units (SHU)

The Scoville Scale measures the spiciness of chillies based on capsaicin content. The higher the Scoville Heat Unit (SHU), the hotter the chilli.

Chilli TypeScoville Heat Units (SHU)
Bell Pepper0
Pimiento100 – 500
Banana Pepper500 – 1,000
Jalapeño2,500 – 8,000
Serrano10,000 – 23,000
Cayenne30,000 – 50,000
Thai Chilli50,000 – 100,000
Habanero100,000 – 350,000
Ghost Pepper800,000 – 1,041,427
Carolina Reaper1,641,183 – 2,200,000

Harvesting and Storing Chillies

  • Harvest chillies when firm and fully colored, depending on the variety.
  • Use scissors or pruning shears to avoid damaging the plant.
  • Store fresh chillies in the refrigerator for up to two weeks.
  • Dry chillies in the sun or a dehydrator for long-term storage.

By selecting the right variety, providing ample sunlight, and maintaining good soil conditions, you can enjoy a plentiful chilli harvest season after season!

Recipes Using Flaked Chilli

Flaked chilli adds a rich depth of heat to any dish, enhancing flavors without overpowering them. Whether you’re looking to create a classic sweet chilli sauce, spice up a marinade, or make a fiery oil infusion, these recipes will help you harness the power of dried chilli flakes.

Sweet Chilli Sauce

A balance of heat and sweetness, this homemade sweet chilli sauce is perfect for dipping, glazing, or drizzling over stir-fries.

Ingredients:

  • 1 cup water
  • ½ cup rice vinegar (or white vinegar)
  • ½ cup sugar (adjust to taste)
  • 2 cloves garlic, minced
  • 1 tablespoon flaked chilli
  • 1 tablespoon fish sauce (optional for umami depth)
  • 1 tablespoon cornstarch mixed with 2 tablespoons water (slurry)

Instructions:

  1. In a saucepan, combine water, vinegar, sugar, garlic, and flaked chilli. Bring to a gentle simmer over medium heat.
  2. Stir in fish sauce (if using) and continue simmering for 5 minutes, allowing the flavours to meld.
  3. Add the cornstarch slurry and stir until the sauce thickens.
  4. Remove from heat and let it cool before storing in a sterilized jar. Keep refrigerated for up to two weeks.

Spicy Chilli Oil

Perfect for drizzling over noodles, dumplings, or grilled meats, this aromatic chilli oil infuses heat with layers of flavor.

Ingredients:

  • 1 cup neutral oil (vegetable, peanut, or sunflower oil)
  • 2 tablespoons flaked chilli
  • 1 teaspoon Sichuan peppercorns (optional for a numbing kick)
  • 2 cloves garlic, minced
  • ½ teaspoon salt

Instructions:

  1. Heat oil in a small saucepan over low heat. Add garlic and Sichuan peppercorns, stirring gently.
  2. Once the garlic turns golden brown, remove from heat and let it cool slightly.
  3. Pour the warm oil over the flaked chilli and salt in a heatproof bowl. Stir well and let it infuse for at least an hour.
  4. Transfer to a clean jar and store in a cool, dark place. The flavors will develop further over time.

Spicy Honey Glaze

A sweet and spicy glaze for grilled meats, roasted vegetables, or even drizzled over pizza.

Ingredients:

  • ¼ cup honey
  • 1 tablespoon soy sauce
  • 1 teaspoon flaked chilli
  • ½ teaspoon smoked paprika
  • 1 teaspoon apple cider vinegar

Instructions:

  1. In a small saucepan, gently heat the honey until it thins slightly.
  2. Stir in soy sauce, flaked chilli, smoked paprika, and vinegar.
  3. Simmer for 2-3 minutes until well combined.
  4. Brush over grilled meats or drizzle over roasted vegetables for a fiery-sweet finish.

Fiery Chilli Butter

Great for melting over steaks, grilled corn, or spreading on warm bread.

Ingredients:

  • ½ cup unsalted butter, softened
  • 1 teaspoon flaked chilli
  • 1 clove garlic, minced
  • ½ teaspoon lemon zest
  • ½ teaspoon salt

Instructions:

  1. In a bowl, mix all ingredients until well combined.
  2. Transfer to parchment paper, shape into a log, and refrigerate until firm.
  3. Slice as needed and melt over hot dishes for an extra kick.

Spicy Tomato Pasta Sauce

A bold and flavorful sauce that pairs well with pasta, grilled chicken, or as a pizza base.

Ingredients:

  • 2 tablespoons olive oil
  • 3 cloves garlic, minced
  • 1 can (14 oz) crushed tomatoes
  • 1 teaspoon flaked chilli
  • 1 teaspoon dried oregano
  • ½ teaspoon salt
  • ½ teaspoon black pepper

Instructions:

  1. Heat olive oil in a saucepan over medium heat. Add garlic and sauté until fragrant.
  2. Stir in crushed tomatoes, flaked chilli, oregano, salt, and black pepper.
  3. Simmer for 15-20 minutes, stirring occasionally.
  4. Serve over pasta or use as a pizza sauce.

Chilli Flake Infused Vinegar

A tangy, spicy condiment that adds a punch to marinades, salad dressings, or even cocktails.

Ingredients:

  • 1 cup white vinegar or apple cider vinegar
  • 2 tablespoons flaked chilli
  • 1 teaspoon salt

Instructions:

  1. Combine all ingredients in a sterilized jar.
  2. Let sit at room temperature for at least a week, shaking occasionally.
  3. Strain the vinegar if desired, or leave the flakes in for extra heat.
  4. Use as a spicy seasoning for salads, marinades, or dipping sauces.

Spicy Popcorn Seasoning

A simple way to add heat to your favorite snack.

Ingredients:

  • ½ teaspoon flaked chilli
  • 1 teaspoon smoked paprika
  • ½ teaspoon salt
  • ¼ teaspoon garlic powder
  • 2 tablespoons melted butter or olive oil

Instructions:

  1. Mix all dry ingredients together.
  2. Drizzle melted butter or olive oil over hot popcorn.
  3. Sprinkle the seasoning mix over the popcorn and toss to coat evenly.
  4. Enjoy a spicy, flavorful snack!

These recipes showcase the versatility of flaked chilli, whether you’re after sweetness, heat, or a little of both. Enjoy experimenting and adding fiery flavor to your meals!

Chilli

Chillies are a rewarding crop for home gardeners and commercial growers alike, offering a wide range of flavors and heat levels. Whether you’re looking to grow mild bell peppers or fiery ghost peppers, understanding their needs and characteristics will help ensure a thriving harvest.

Our Gardening Magazine

Mark Farmer
Mark Farmerhttps://1earthmedia.com/category/environment/permaculture-design-course/
Our permaculture editor and teacher, Mark Farmer, completed his Permaculture Design Certificate with the legendary teacher Geoff Lawson at Permaculture Noosa in 1997. Our Farmer has lived on two land-sharing co-ops & maintained permaculture-based gardens ever since.

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