Addictive Chex Mix - cooking recipe

Ingredients

1/2 cup butter
1/2 cup margarine
1 cup brown sugar
1/4 cup light corn syrup
1/4 teaspoon salt
1/4 teaspoon baking soda
1/2 teaspoon vanilla
2 cups Corn Chex
2 cups Rice Chex
2 cups Wheat Chex
2 cups Crispix cereal
1/2 cup pecans (optional)

Preparation

Place first 7 ingredients in a saucepan and bring to a boil.
Boil for 5 minutes.
Mix other ingredients in a greased bowl and pour butter/sugar mixture over the top.
Stir to incorporate together.
Pour onto a greased cookie sheet.
Bake at 250 for 15 minutes.
Stir periodically after it comes out of the oven to prevent sticking.