Preheat oven to 400 degrees. Line cookie sheet with parchment paper or Silpat mat.
Combine sugar and butter in a medium sauce pan and bring to a boil. Let boil for 3 minutes. Pour immediately over saltines making sure all the crackers are completely covered.
Bake at 400 degrees F for 5 to 6 minutes. While it's baking, melt peanut butter in microwave.
Remove from oven and immediately top with melted peanut butter and then sprinkle chocolate morsels over the top. Let sit for 5 minutes. Spread melted chocolate and finish it off with M&Ms and/or candy sprinkles. Refrigerate toffee for at least an hour. Once set, break into pieces. Enjoy!
Nutritional information is approximate and was calculated using a recipe nutrition label generator.★ Did you make this recipe? Don't forget to give it a star rating below!