Upside Down Plum Cake | The Fancy Pants Kitchen

Ingredients

• 3 tbsp salted butter
• 1/2 cup light brown sugar packed
• 1/4 tsp ground cinnamon
• 4-5 medium-size plums, red or black
• 1 tsp milk or cream
• 1/2 cup plain yogurt or Greek yogurt
• 1 cup granulated sugar
• 3 large eggs
• 1 tsp vanilla extract
• 2 tsp baking powder
• 1/2 tsp salt
• 1 & 1/2 cups all-purpose flour
• 1/2 cup neutral-flavored oil sunflower, grape seed, or canola oil