One Pot Cheesy Taco Pasta

Bahan-bahan (6 porsi)

• 1 tablespoon olive oil
• 1 pound ground beef
• 1 small onion, finely diced
• 1 small red bell pepper, finely diced
• 4 cloves garlic, minced
• 1 (5 ounce) can tomato paste
• 4 cups beef stock
• 1 pound uncooked pasta (I used shells)
• 2 tablespoons chili powder
• 2 teaspoons ground cumin
• 1 teaspoon fine sea salt
• ½ teaspoon dried oregano
• 2 cups (8 ounces) shredded Mexican-blend cheese
• toppings: diced avocado, finely-chopped fresh cilantro, lime wedges and/or sour cream