Mexican Bean Pie

INGREDIENTS

• 1 (15 ounce) can black beans, drained and rinsed
• 1 (15 ounce) can pinto beans, drained
• 1 (16 ounce) can refried beans
• 1 (2 ounce) can sliced black olives
• 1/2 (15.25 ounce) can whole kernel corn, drained
• 1/2 cup chopped green bell pepper
• 1 jalapeno pepper, seeded and minced
• 1 tablespoon ground cumin
• 1 tablespoon chili powder
• ground black pepper to taste
• 5 (10 inch) whole wheat tortillas
• 1 1/2 cups shredded Cheddar cheese
• 1/2 cup salsa (optional)
• 1/2 cup sour cream (optional)