2 Hacks, One Amazing Ombre Blueberry Cake

Name: 2 Hacks, One Amazing Ombre Blueberry Cake
Cook time: 1 h 15 min
Total time: 1 h 15 min
Cuisine: European, British
Ingredients: 3 boxes lemon cake mix, prepared according to instructions; ½ lemon; ½ cup sugar; 1 pint of blueberries; Swiss buttercream; 3 tablespoons blueberry jam; Purple food dye; Macarons; Mini meringues; Edible flowers, such as pansies or lavender; Fresh mint