1/2 c. butter
1/2 c. fat-free Italian dressing
2 tbsp. Worcestershire
1/2 tsp. garlic salt
5 c. Rice Chex
5 c. Wheat Chex
5 c. Cheerios
2 1/2 c. coarsely broken pretzels

Preheat oven to 250 degrees. In saucepan, combine first 4 ingredients. Drizzle over the cereal and pretzel mixture. Spray cookie sheet or 9x13 inch broiler pan. Bake for 60 minutes, stir every 15 minutes. 24 servings.