Strawberry Popsicle Cake

Name: Strawberry Popsicle Cake
Prep time: 2 h
Cook time: 1 h
Yield: 20
Ingredients: 15 1/4 ounces plain (all-purpose) flour; 9 1/4 ounces caster (superfine) sugar; 3 teaspoons baking powder; 1/2 teaspoon fine salt; 4 1/2 ounces unsalted butter, softened; 2 large eggs; 12 3/4 fluid ounces full-cream (whole) milk; 4 1/2 fluid ounces vegetable oil; 2 tablespoons greek yoghurt (or sour cream); 1 teaspoon vanilla extract or vanilla bean paste; 1 teaspoon strawberry flavouring; 5 drops pink food gel; 35 1/4 ounces softened unsalted butter; 35 1/4 ounces powdered sugar; 4 tablespoons milk (room temperature); 2 teaspoons vanilla extract; 2 tablespoons cocoa powder; 1 teaspoon strawberry flavouring; 5 drops pink food dye; 3 1/2 ounces light brown fondant; 1/2 cup sprinkles