Red velvet Pound Cake with Heart Center

Name: Red velvet Pound Cake with Heart Center
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: American
Ingredients: 75 g Powdered sugar (sifted); 75 g Unsalted butter (soft, room temperature); 1 Egg (room temprature); 1 teaspoon Vanilla extract; 75 g All-purpose flour; 1/2 teaspoon Baking powder; 170 g Unsalted butter (soft, room temperature); 130 g Granulated sugar; 3 Eggs (room temperature); 155 g All-purpose flour; 1 teaspoon Baking powder; Pinch of salt; 15 g Cocoa powder; Red food colouring (ideally gel, high quantity ); 150 g Cream cheese (ex. Philadelphia. Use full fat); 50 g Mascarpone (full fat); 25 g Powdered sugar (sifted)