Vegetarian Chili with Black Beans

Drain black beans, reserving 1/2 cup liquid. Set aside.

Heat oil in a large, heavy pot over medium-high heat. Add onions, bell peppers, and garlic; saute until onions are soft and translucent, about 10 minutes. Add chili powder, oregano, cumin, and cayenne pepper; cook and stir until fragrant, about 2 minutes.

Add reserved black beans, 1/2 cup bean liquid, and tomato sauce. Bring to a boil, stirring occasionally. Reduce heat to medium-low. Simmer, stirring occasionally, until flavors blend and chili thickens, about 15 minutes.

Season to taste with salt and pepper. Ladle chili into bowls to serve.