Ingredients

1/2 pound lean ground beef (90% lean)1 can (10 ounces) diced tomatoes and green chiles, undrained1 can (15 ounces) black beans, rinsed and drained1 can (16 ounces) refried beans, warmed8 tostada shellsOptional: Shredded reduced-fat Mexican cheese blend, shredded lettuce, salsa and sour cream

Preparation

In a large skillet, cook beef over medium-high heat until no longer pink, 4-6 minutes; crumble beef. Stir in tomatoes; bring to a boil. Reduce heat; simmer, uncovered, until liquid is almost evaporated, 6-8 minutes. Stir in black beans; heat through.

To serve, spread refried beans over tostada shells. Top with beef mixture; add toppings as desired.