Upside-Down Cherry Cake - Bake with Amy

Ingredients

• 400 g cherries, frozen or fresh
• 50 g unsalted butter, diced into very small pieces
• 50 g soft brown sugar
• 115 g unsalted butter, at room temperature
• 150 g caster sugar
• 2 eggs, at room temperature
• 1 tsp vanilla extract
• 195 g plain flour (1 1/2 cups)
• 1 ½ tsp baking powder
• ¼ tsp salt
• 120 ml milk, at room temperature (1/2 cup)