Heat brown sugar margarine corn syrup and salt in a 2-quart saucepan over medium heat stirring constantly until bubbly around edges
Cook uncovered stirring occasionally for 2 minutes longer
Remove from heat stir in baking soda until foamy and light colored Pour over cereal peanuts and raisins in greased 4-quart bowl Stir until mixture is coated
Spread evenly in pans
Bake 15 minutes
Stir
Let stand just until cool about 10 minutes Loosen mixture with metal spatula