- Preheat oven to 350°F.
- Combine graham cracker crumbs, sugar and butter in a bowl. Press onto a cookie sheet and bake for 10 minutes. Allow to cool completely and set aside.
- Beat the egg yolks and sugar on high speed with an electric mixer for 5 minutes, until thick. With the mixer on medium speed, add the condensed milk, 2 tablespoons lime zest, and lime juice.
- Fold the key lime mixture into the softened vanilla ice cream and freeze in an ice cream machine 30 minutes or according to ice cream machine directions.
- To serve spoon some graham cracker mixture into the bottom of a glass and place 5 small scoops of key lime ice cream on top. Sprinkle with 2 tablespoons lime zest and the graham cracker mixture.
Calories 1081, Carbohydrates 115g, Cholesterol 508mg, Fat 61g, Fat Calories 544, Fiber 1g, Protein 20g, Saturated Fat 35g, Sodium 336mg. Daily Values: Calcium 531.66mg 53%, Phos 274.67mg 27%, Copper 0.08mg 4%, Zinc 1.3mg 9%, Panto 1.27mg 13%, Biotin 12.85mcg 4283%, Iodine 86.11mcg 57%, Magnesium 27.79mg 7%, Iron 1.52mg 8%, Vitamin B6 7%, Vitamin C 27%, Vitamin B12 12%, Vitamin D 14%, Vit E-a-Toco 4%, Vitamin A 47%. Percent Daily Values are based on a 2,000 calorie diet.