Instant Pot Whole30 Chili over Spaghetti Squash

Warm up with a bowl of this hearty Instant Pot Whole30 chili. Made quickly in the Instant Pot, this recipe is packed with bold spices, plenty of vegetables, and a clever twist: tender spaghetti squash replaces beans to keep the dish Whole30-compliant while providing satisfying texture and bulk. It’s ideal for weeknight dinners, meal prep, or portioning and freezing for busy nights. Whole30 or not, this bean-free chili delivers cozy, comforting flavor.

a bowl of no bean whole30 chili topped with jalapenos and lime wedges.

What Makes This Whole30 Chili Recipe Great

This Instant Pot Whole30 chili swaps beans for spaghetti squash, keeping the recipe compliant while adding a pleasant, stringy texture that soaks up the savory broth and spices. Using the Instant Pot speeds up cooking and simplifies prep: you can steam the whole squash in the pressure cooker, then brown the meat and finish the chili all in one appliance. The result is a flavorful, freezer-friendly meal that reheats well and works for families with varied tastes.

Why This Instant Pot Chili Works for Whole30

This chili is free of added sugars, grains, dairy, and legumes, making it fully compliant with Whole30 guidelines. The combination of high-quality ground meat, roasted vegetables, and assertive spices creates a filling dish that doesn’t rely on beans for heft. It makes excellent meal prep: the flavors deepen after a day in the fridge, and portions freeze cleanly for up to a few months.

Ingredient Notes

Key ingredients and why they matter:

  • Spaghetti squash: Replaces beans with a meaty, noodle-like texture that absorbs flavor.
  • Coconut oil or avocado oil: Use for sautéing; both are Whole30-compliant cooking fats.
  • Onion and garlic: Build savory depth.
  • Ground beef (or other ground meat): Grass-fed beef adds flavor and nutrients, but ground turkey or chicken works as substitutions.
  • Red and green bell peppers: Provide color, sweetness, and crunch.
  • Spices: Chili powder, cumin, oregano, paprika, onion powder, garlic powder, a pinch of cinnamon, salt, black pepper, and cayenne for heat. Adjust cayenne to taste.
  • Diced tomatoes: Use a no-sugar-added can to keep the recipe compliant.
  • Bone broth or beef broth: Adds richness and body; chicken broth can be used if preferred.
  • Garnishes (optional): Sliced jalapeño, fresh lime juice, avocado, green onions, or cilantro brighten each bowl.

See the recipe ingredient list below for exact amounts and serving size.

How to Make Instant Pot Whole30 Chili (Step-by-Step)

spaghetti squash roasting in an instant pot.

Step 1: Cook the spaghetti squash. Place a steamer rack in the Instant Pot, add 1 cup of water, and put the whole, uncut spaghetti squash on the rack. Secure the lid and pressure cook on Manual for 20 minutes. Quick-release the pressure, carefully remove the squash, cut it in half, scoop out the seeds, and use a fork to separate the strands. Set aside.

Step 2: Brown the meat and aromatics. Empty the cooking liquid from the pot, select the Sauté function, and heat the coconut oil. Add the chopped onion, minced garlic, and ground beef. Break the meat up with a spoon and cook until it’s no longer pink, about 4–6 minutes.

chili cooking in an instant pot

Step 3: Add peppers, spices, tomatoes, and broth. Turn the Instant Pot off, then stir in the chopped red and green bell peppers, all the spices, the diced tomatoes, and the bone or beef broth. Fold in the spaghetti squash strands so they can absorb flavor during pressure cooking.

a bowl of chili topped with avocado, jalapeno, and lime.

Step 4: Pressure cook and finish. Close the lid and cook on Manual/HIGH for 10 minutes. Quick-release or allow a natural release depending on your schedule. Taste and adjust salt or heat, and add a splash more broth if you prefer a thinner consistency. Serve hot and garnish as desired.

whole30 chili in a white bowl with a spoon.

Expert Tips for Making Bean-Free Chili

  • Adjust the heat: Increase or decrease cayenne to match your spice tolerance, or omit it entirely for a mild bowl.
  • Boost the veg: Add sweet potato, zucchini, mushrooms, or eggplant to increase fiber and variety.
  • Substitutions: If you don’t like spaghetti squash, zucchini noodles are an easy swap. If you’re not following Whole30, canned beans can be added for extra heft.
  • Make ahead: Chili flavors deepen overnight; refrigerate up to 4 days or freeze portions for up to 3 months.
  • Transportable: The Instant Pot makes this dish easy to prepare and bring to gatherings in a sealed container.

How to Serve

  • Garnish ideas: Avocado slices, fresh cilantro, jalapeño, and a squeeze of lime brighten the chili.
  • Low-carb pairing: Serve over cauliflower rice for a compliant, low-carb meal.
  • For non-Whole30 guests: Offer tortilla chips, cornbread, or rice on the side; sour cream and cheese are fine for those not following Whole30.

Storage and Reheating Tips

  • Refrigerate: Keep leftovers in an airtight container for up to 4 days.
  • Freeze: Portion into airtight containers or freezer bags and freeze for up to 3 months.
  • Reheat: Warm gently on the stovetop or in the microwave; add a splash of broth to loosen the chili if it thickened in the fridge.
a hand spooning a bite of soup out of a white bowl.

Recipe FAQs

Can I make this on the stovetop instead of the Instant Pot? Yes. Roast or bake the spaghetti squash separately, then brown the meat and vegetables in a large pot or Dutch oven and simmer the chili for 20–30 minutes to blend flavors.

Is spaghetti squash necessary? No, it adds texture and soaks up the sauce, but you can substitute other vegetables like zucchini noodles if you prefer.

Can I use ground turkey? Absolutely. Ground turkey, chicken, or pork are all suitable alternatives.

How do I make the chili less spicy? Omit or reduce the cayenne and serve with cooling garnishes like avocado and lime.

Why no beans? Beans are not Whole30-compliant, so this version uses spaghetti squash to maintain heartiness without legumes.

Ingredients (Serves 8)

  • 1 small spaghetti squash
  • 1 tbsp coconut oil
  • 1 medium onion, chopped
  • 4 garlic cloves, minced
  • 2 lbs ground beef
  • 1 red bell pepper, chopped
  • 1 green bell pepper, chopped
  • 1 tbsp chili powder
  • 1 tbsp ground cumin
  • 1 tbsp dried oregano
  • 1 tbsp paprika
  • 2 tsp sea salt
  • 1 tsp onion powder
  • 1 tsp cinnamon
  • 1 tsp garlic powder
  • 1/2 tsp ground black pepper
  • 1/2 tsp cayenne (adjust to taste)
  • 1 28-oz can diced tomatoes (no sugar added)
  • 2 cups bone broth or beef broth
  • Jalapeño slices, lime juice, avocado, and/or cilantro for garnish

Instructions

  1. Place a steamer rack in the Instant Pot and pour in 1 cup of water. Put the whole, uncut spaghetti squash on the rack; seal the lid and cook on Manual for 20 minutes. Quick-release pressure, cut the squash in half, remove seeds, and pull out the strands with a fork. Set aside.
  2. Empty the pot and select Sauté. Add coconut oil, then onion, garlic, and ground beef. Break up the meat and cook about 4–6 minutes until no longer pink.
  3. Turn the Instant Pot off. Add chopped bell peppers, all spices, diced tomatoes, and broth. Stir to combine. Fold in the spaghetti squash strands.
  4. Close the lid and cook on Manual/HIGH for 10 minutes. Quick-release or allow a natural release. Taste and adjust seasoning or add more broth to reach your desired consistency.
  5. Serve hot with optional garnishes such as avocado, cilantro, jalapeño, and a squeeze of lime.

Nutrition (approximate per serving)

Serving: 1 | Calories: 399 kcal | Carbohydrates: 18 g | Protein: 23 g | Fat: 25 g | Saturated Fat: 10 g | Cholesterol: 80 mg | Sodium: 622 mg | Potassium: 786 mg | Fiber: 4 g | Sugar: 7 g | Vitamin A: 2335 IU | Vitamin C: 36.4 mg | Calcium: 99 mg | Iron: 4.2 mg

Nutrition information is an approximation and should be used as a guide only.

Notes

  • Flavors deepen after resting; leftovers often taste better the next day.
  • To make fewer or more servings, scale the ingredient amounts accordingly.
  • This recipe is freezer-friendly and convenient for batch cooking or meal prep.