Vegetarian Tostadas

Ingredients
1 package tortillas (about 10)
1 package of taco seasoning
1 cup instant white rice, uncooked
1 can (11 oz.) corn, drained
1 can (15 oz.) black beans, drained, rinsed
2 cups shredded lettuce
1 cup shredded cheese (cheddar or a Mexican blend)

Directions
1)Preheat oven to 350°F.
2)While oven is getting hot, cook rice in large saucepan as directed on package. Stir-in beans, corn and seasoning. Mix well. Cook 5 minutes or until heated through, stirring occasionally.
3)While bean mixture is cooking, spray both sides of Tortillas with cooking spray; place in single layer on baking sheet. Bake 5-7 minutes or until crisp and lightly browned.
4)To serve top tortillas with rice mixture, cheese, lettuce, and salsa.