A Pinterest favourite – the peanut butter cup, layered with butter pretzels and cookie dough. The Deadly Brownie! Such a delicious, caloric treat! Ingredients 3 cups of crushed pretzels 1 cup of butter 1/2 cup of sugar brownie mix box (and ingredients to make) 1 box of cookie mix – either chocolate chip or peanut butter (and ingredients to make) 3 (or more if you like) packages of full size Reese’s Peanut Butter Cups Crush up the pretzels and mix with butter (melted) and sugar…