Grandma Woodall's Baked Lemon Pudding Cake - Dinner With Julie

Ingredients

• 1 1/2 cups sugar
• 1/2 cup all-purpose flour
• 1/2 tsp. baking powder
• 1/4 tsp. salt
• 3 large eggs, separated
• finely grated zest of a lemon (or two, if you like it zingy)
• 1/4 cup lemon juice
• 1 1/2 cups milk
• 2 Tbsp. melted butter