1. Heat a large nonstick skillet over medium-high heat; coat pan with cooking spray. Add mushrooms to pan; cook 6 minutes or until lightly browned, stirring occasionally. Stir in rice and next 4 ingredients. Cover and bring to a boil; reduce heat, and simmer 4 minutes or until thoroughly heated.
2. While rice mixture cooks, warm tortillas according to package directions. Sprinkle rice mixture with cheese and cilantro. Serve immediately with tortillas.
Kidney beans are a great pantry staple, and they provide an excellent low-fat source of fiber, protein, potassium, and magnesium. Rinsing and draining canned beans reduces the sodium by 40 percent.