You'll never miss the beans in this hearty beef and mushroom low carb chili! Packed with veggies and a nice blend of herbs and spices, this makes a delicious and filling low carb meal.
Heat olive oil in a large pot over medium-high heat. Add onion, celery, bell peppers and mushrooms. Cook, stirring occasionally, until veggies are tender, approximately 7 minutes.
Add ground beef to pot along with garlic. Season with salt and pepper. Cook until beef is browned. Drain and return to pot.
Add oregano, cumin, chili powder and tomato paste to beef and veggie mixture. Stir together, cooking for 1-2 minutes.
Add diced tomatoes and chicken broth to pot and bring to a boil. Reduce heat to medium and simmer for 20 minutes, stirring occasionally.
Remove from heat. Let cool for 5-10 minutes before serving. Top with sour cream and/or shredded cheddar cheese, if desired.