Lemon Upside Down Cake

Ingredients

• 3-4 Meyer lemons, sliced into thin 1/8–inch slices and zest of 1 lemon
• 1/2 cup butter, divided
• 1/2 cup brown sugar, unpacked
• 1 1/2 cup flour
• 1 1/2 tsp. baking powder
• 1 tsp. vanilla extract
• 1/2 cup white sugar
• 2 eggs
• 1/2 cups milk