Mexican Layered Pie

original recipe here: http://allrecipes.com/Recipe/mexican-bean-pie/Detail.aspx

Ingredients:
1 (15 ounce) can black beans, drained and rinsed
1 (15 ounce) can pinto beans, drained
1 (16 ounce) can refried beans
½ cup salsa, plus extra for serving
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 sour cream (optional, for serving)
cilantro (optional, for serving)

Prepare to freeze:

• Lightly grease a 10 inch round cake pan or springform pan.
• In a large saucepan over medium-high heat, mix black beans, pinto beans, refried beans, salsa, olives, corn, bell pepper, and jalapeno pepper. Season with cumin, chili power, and black pepper. Cook and stir until thickened, about 10 minutes.
• Lay one tortilla flat on the bottom of the prepared baking pan. Spread 1/4 of the bean mixture on the tortilla. Sprinkle 1/4 cup Cheddar cheese lightly over the bean mixture. Repeat layering, ending with a tortilla. Top with remaining Cheddar cheese.

Prepare to serve:
Thaw in refrigerator. Bake 20 minutes at 350. Allow to cool slightly before serving. Serve with salsa and sour cream for garnish.