In 10 inch skillet, melt butter until sizzling; stir in coleslaw mix, mushrooms, onion, garlic, salt and red pepper flakes. Cook over medium-high heat, stirring occasionally, until vegetables are crisply tender (3 to 4 minutes). Remove from heat. Stir in cheese and rice.
Place (about 1 cup filling in center of each warm tortilla. Fold two opposite edges of tortilla toward center over filling. Roll up open end of tortilla toward opposite edge. Place, seam-side down, on microwave-safe plate.
Microwave two sandwiches on high, turning or rearranging after half the time, until heated through (1 to 2 minutes). Repeat with remaining sandwiches.
TIP: 4 ounces (1 cup) coarsely chopped roast beef or corned beef can be added. Divide among 5 tortillas.
Servings: