Eclair Dough: 1/2c Butter 1c Water 1/4tsp Salt 1c Flour 4 Eggs Preheat oven to 450deg, bake 15min. Rainbow Buttercream: 3 sticks Butter 1/2c Shortening 7Tbs Heavy Cream 2lbs Confectioner Sugar Optional: 1/2 oz Blue Caracao 1/2 oz Grenadine 1/2 oz Banana Rum Chocolate Fudge Topping: 1/4c Butter 2c Chocolate chips 5Tbs Heavy Cream