Grapefruit Pie Recipe (Easy & Delicious)

Name: Grapefruit Pie Recipe (Easy & Delicious)
Cuisine: American
Ingredients: For the top; 1 cup and a half all-purpose flour; 1/2 teaspoon of salt; 12 cups of cold, cubed, unsalted butter; 4 to 6 teaspoons of ice water; 4 big pink or red grapefruits (these work best); 1 cup of sugar crystals; 1/4 cup cornmeal; A bit of salt; 1 tablespoon of grapefruit peel, if you want to.; 2 tablespoons of butter without salt, melted; To make the Sauce; 1 cup full-fat cream; 2 spoonfuls of powdered sugar; 1 milliliter of vanilla extract