Valentine’s Raspberry Cake

Name: Valentine’s Raspberry Cake
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 1 2/3 cup all-purpose flour (230g); 1 cup granulate sugar (136g); 1/4 tsp baking soda (heaping); 1 tsp baking powder (heaping); 1/4 tsp kosher salt; 3/4 cup unsalted butter (room temperature, 170g); 3 egg whites (room temperature); 1 tbsp vanilla extract; 1/2 cup sour cream (120ml); 1/2 cup whole milk (105ml); 6 oz raspberries (fresh or freeze dried); 2 tbsp lemon juice (fresh); 1 tbsp lemon zest; 1 ½ cup unsalted butter (room temp, 315g); 4 ½ cups confectioners sugar (648g); 1 cup white chocolate chips (melted and cooled, 168g); 1 tbsp granulated sugar; 1 cup raspberries (fresh); 1 tbsp lemon juice; 1 tbsp vanilla; 1/4 tsp salt; 3 sheets printable hearts (Or pipe them free-hand); 1 1/2 feet parchment paper; ½ cup candy melts (84g); 4 egg whites (large); 1 1/3 cups granulated sugar (divided); 1 Pinch kosher salt; 16 ounces unsalted butter (454g, room temperature, cut into 1-inch pieces); 1 tsp pure vanilla extract; 1/4 tsp cream of tartar