Ingredient:

• 1 tablespoon vegetable oil
• 2 onions, chopped
• 3 cloves garlic, chopped
• ½ green bell pepper, diced
• ½ red bell pepper, diced
• 2 (15 ounce) cans black beans, drained and rinsed
• 1 (14.5 ounce) can chopped tomatoes
• 1 cup salsa
• salt and black pepper to taste
• 2 avocados, peeled, pitted, and mashed
• 1 clove garlic, chopped
• 1 tablespoon fresh lemon juice
• 12 (6 inch) corn tortillas, quartered
• 2 cups shredded Cheddar cheese