Moist Vanilla Cake Recipe With Easy Buttercream

Name: Moist Vanilla Cake Recipe With Easy Buttercream
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 4 ounces milk (to be mixed with the oil); 3 ounces canola oil; 6 ounces milk (to be mixed with the eggs); 1 tablespoon vanilla extract (or 1 vanilla bean pod); 3 large eggs (room temperature); 13 ounces cake flour; 13 ounces granulated sugar; 3 teaspoons baking powder; 1/4 teaspoon baking soda; 1/2 teaspoon salt; 8 ounces unsalted butter (softened to room temperature but not melted); 16 ounces powdered sugar; 4 ounces pasteurized egg whites; 2 teaspoons vanilla extract; 16 ounces unsalted butter (softened to room temperature but not melted); 1/4 teaspoon salt; 1 TINY drop purple food coloring (to offset the yellow color (optional)); 3 drops electric pink food coloring (for the flowers); 1 Tablespoon white sprinkles (for decorating)