Grandma's Chicken and Black Bean Chili

Details

Ingredients

• 2 tablespoons olive oil
• 1 large onion, chopped
• 3 (15 ounce) cans black beans, rinsed and drained
• 2 (14.5 ounce) cans diced tomatoes
• 2 (5 ounce) cans chicken, drained
• 2 (1.25 ounce) packages chili seasoning mix
• 1 teaspoon ground cumin
• salt and ground black pepper to taste