Black bean lasagna

Ingredients: 9 lasagna noodles; Two 15-ounce cans of black beans, rinsed and drained (1 can mashed); Non-stick cooking spray; 1/2 cup chopped onion; 1/2 cup chopped green pepper; 2 cloves garlic, minced; Two 15-ounce cans low-sodium tomato sauce or tomato sauce with seasoning; 1/4 cup snipped cilantro; One 12-ounce container low-fat cottage cheese; One 8-ounce package reduced-fat cream cheese; 1/4 cup light dairy sour cream