Boston Cream Doughnuts - Freedom Healthy Oil

Ingredients

• 1/2 cup heavy cream
• 1/2 cup whole milk
• 1 teaspoon pure vanilla extract
• 2 tablespoons (1/4 stick) cold unsalted butter, chopped into smaller pieces
• 1/4 cup granulated sugar
• Pinch of fine sea salt
• 3 large egg yolks
• 1 1/2 tablespoons cornstarch, mixed with 2 spoons water