Preheat the oven to 375 ... of the refried beans over each tortilla. Spread 2 ... beans on each tostada. Top with the salad ... onion rings. 4 servings.
In skillet, brown beef; drain. ... Top with 3 tostada shells or halved taco shells. ... each of the beans, meat mixture, sour cream ... 6 to 8 servings.