Champagne and Strawberries Cake Recipe

Name: Champagne and Strawberries Cake Recipe
Cuisine: European, French, Mediterranean
Ingredients: 3 cups (342 g) cake flour; 1 Tablespoon (15g) baking powder; 1/2 teaspoon (2g) salt; 6 egg whites (194g); 1 cup (242 g) champagne; 2 teaspoons (8g) vanilla; 2 tablespoons vegetable oil (18g); 1 teaspoon (4g)strawberry extract; 2 cups (400g) sugar; 1 cup (2 sticks) (226g) unsalted butter; 3/4 cup of finely chopped strawberries; 1/2 cup (100g) sugar; 1/2 cup (116g) champagne; 8 oz (226g) Full Fat Cream Cheese, softened (don't microwave)(must be full fat or the filling will be too soft); 1 1/2 Cup (156g) Sifted Powdered Sugar; 1/4 Cup (46g) Strawberry Puree (puree about 5-6 medium strawberries); 1 Teaspoon(4g) Strawberry Extract; 1 cup (232g) heavy cream; 3 sticks (339g) Unsalted Butter slightly softened; 1/4 Cup Pureed Strawberries (approximately 5-6 medium strawberries); 1/4 Cup Champagne; 1/2 teaspoon (3g) Salt (optional) this will cut the sweetness (popcorn salt will dissolve more quickly); 7 1/2 -8 cups (863g) Powdered Sugar; 1 teaspoon (4g) strawberry extract