Preheat oven to 350°F. Mix beans, 1/2 cup of the salsa, 1 cup of the cheese and the onion until well blended.

Spread remaining 1 cup salsa onto bottom of 13x9-inch baking dish. Spoon 1/4 cup of the bean mixture down center of each tortilla; roll up. Place, seam sides down, over salsa in baking dish. Top with the remaining salsa and cheese.

Bake 20 minutes or until heated through.