Vegan Bean Chili

Name: Vegan Bean Chili
Ingredients: 1 large yellow onion, diced; 1/4 cup olive oil; 1 garlic clove, minced; 1 red bell pepper, chopped into large pieces; 1 yellow bell pepper, chopped into large pieces; 1 teaspoon ground cumin; 1.5 teaspoons chili powder; 1/4 teaspoon red pepper flakes; 2 teaspoons kosher sea salt; 1 28-ounce can whole peeled tomatoes, undrained; 1 can of cannellini beans, 15 oz.; pepper to taste