1/2 c. butter
1 (10 1/2 oz.) pkg. colored miniature marshmallows
1 tsp. vanilla
3 - 3 1/2 c. Cheerios
3 - 3 1/2 c. Kix

Melt butter in large saucepan over medium heat. Add marshmallows, stirring constantly. When thoroughly melted, add vanilla and take saucepan off heat. Add cereals, stirring to thoroughly coat.

Use butter to coat fingers and grease 13x9 inch dish. Pour mixture into dish and press into all corners and until even. Cool and cut into squares.