This stuff is so darn good! It's addictive so I don't make it too often. It can be made with lots of substitutes...I've substituted different cereals for the Chex such as Cocoa Puffs, Golden Grahams, and Cinnamon Toast Crunch. I've also substituted different chips for chocolate chips such as butterscotch, white, milk, dark, etc. It's easy and delish!
Line a large cookie sheet with waxed paper and set aside.
Melt butter, brown sugar, and corn syrup over medium heat in a large pot. Stir until combined and add the baking soda. It will foam up a little.
Add cereal and stir until evenly coated. Pour mixture onto cookie sheet and spread out evenly.
Pour bag of mini Reese's over warm cereal mix. Add nuts and marshmallows.
In that same pan (less dishes=good thing) which is now empty, add 1 cup peanut butter chips and 2 tablespoons of heavy cream. When melted, drizzle over mix. Repeat the same steps using the chocolate chips.
Allow mixture to cool and break into pieces. Try not to eat the whole batch in one sitting!
*you can substitute cereals in this also. One time I used 4 cups rice Chex and 4 cups Cocoa Puffs. You can also substitute different flavors of chips...white chocolate, butterscotch, etc. Use additional ingredients also such as pretzels, M & M's, or whatever is on hand