Preheat oven to 400F
In a large pot, add oil and saute onions and peppers until softened, about 10 minutes
Add garlic, spices and tomato paste and cook, stirring constantly, for another minute
Add all remaining chili ingredients; stir, cover and let simmer for about 20 minutes
Uncover and simmer for another 5 minutes (if it looks too thick, add more chicken broth)
Taste and season with salt if needed
Make your biscuit topping according to package directions, stirring in cheddar and chives
Transfer chili to six individual bowls and let cool slightly
Top with biscuit mix and brush with butter
Bake until bubbly and biscuits are cooked through, about 15 minutes
