Cranberry Pineapple Upside Down Cake - Perfect for Holidays - Recipes by Clare

Ingredients

• 6 oz fresh or frozen cranberries.
• ½ - 1 cup granulated sugar (to taste).
• 1 tbsp orange zest.
• 1 tbsp freshly squeezed lemon juice.
• Salt and pepper to taste.
• ½ cup (4 oz) butter, room temperature.
• 1 cup dark brown sugar.
• 2 tbsp corn syrup.
• 2 tsp pure vanilla extract.
• ½ tsp salt.
• 6 canned pineapple rings.
• 4 large eggs, room temperature.
• ¾ cup granulated sugar, divided.
• ¼ cup dark brown sugar.
• 3 tsp pure vanilla extract.
• 1 ½ cups unbleached all-purpose flour.
• ¼ cup cornstarch.
• 1 tsp baking powder.
• 1 tsp table salt (or 1 ¼ tsp kosher salt).
• ½ cup buttermilk, room temperature.