Heart Shaped Donuts

Name: Heart Shaped Donuts
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American
Ingredients: 4 cups all purpose flour; 1/2 cup granulated sugar; 1 cup whole milk; 1/2 cup unsalted butter (melted); 1 large egg (room temperature); 1 teaspoon vanilla extract; 2 teaspoons instant yeast; 1/2 teaspoon kosher salt; 1/2 cup granulated sugar (for rolling); 1/2 cup strawberry jam; 1 cup powdered sugar; 1 tablespoon unsalted butter (melted); 1/2 teaspoon vanilla extract; 2-4 tablespoons milk (as needed); 1-2 drops pink gel food coloring (optional); Valentine's sprinkles