Mocha Fudge Pie
["1/3 c. hot water", "4 tsp. instant coffee, divided", "1/2 (19.85 oz.) box light fudge brownie mix", "2 tsp. vanilla extract, divided", "2 egg whites", "vegetable cooking spray", "3/4 c. 1% milk", "3 Tbsp. Kahlua or other liqueur, divided", "1 (3.9 oz.) pkg. chocolate flavored pudding and pie filling", "3 c. frozen reduced-calorie whipped topping, thawed and divided"]
["Combine hot water and 2 teaspoons coffee granules in a medium bowl.", "Stir well.", "Add brownie mix, 1 teaspoon vanilla and egg whites; stir until well blended.", "Pour in a 9-inch pie plate coated with cooking spray.", "Bake at 325\u00b0 for 22 minutes.", "Let crust cool."]
["water", "instant coffee", "light fudge brownie mix", "vanilla", "egg whites", "vegetable cooking spray", "milk", "Kahlua", "chocolate flavored pudding", "frozen reduced-calorie whipped topping"]