8 cups Chocolate Chex cereal
3/4 packed brown sugar
6 Tbsp butter or margarine
3 Tbsp light corn syrup
1/4 tsp baking soda
1/4 cup white vanilla baking chips
Measure cereals into large microwaveable bowl; set aside. Line cookie sheet with waxed paper.
Microwave brown sugar, butter and corn syrup uncovered on High 1-2 minutes, stirring halfway thorough, until melted and smooth. Stir in baking soda until dissolved.
Pour melted brown sugar mix over cereal, stirring till evenly coated. Microwave on High 3 minutes, stirring every minute. Spread on cookie sheet and cool 10 minutes. Break into bite-size pieces.
In small bowl, microwave vanilla chips about 1 minute, till melted. Stir until smooth and drizzle over cereal mix. Refrigerate until set and store in tightly covered container.