Can you fix this recipe? The Peanut er Cookies are delicious but coming out like pancakes!?

Try reducing the quantity of er. The amount of fat seems to be the problem. Fat solids (the er and the peanut er) will both melt in the oven, making your cookies flat. Try reducing the er quantity by 2-4 tbsp. Also, try substituting shortening, as it has less water content. Good luck!