Pioneer Woman’s Fluffy Whipped Blueberry Butter recipe is made of 1 cup fresh or frozen blueberries, 1/2 cup granulated sugar, 1/4 cup unsalted butter (cut into pieces), 1 teaspoon lemon juice, and 1/4 teaspoon vanilla extract. This recipe takes about 20-25 minutes to prepare and cook and serves 4-6 people.