Pineapple Cupcakes

Ingredients

• 1/4 tsp salt
• 1 1/2 tsp baking powder
• 1/2 cup sour cream
• 2 large eggs
• 1/2 tsp baking soda
• 3/4 cup sugar
• 1 1/2 cups flour
• 1 1/2 tsp vanilla
• 3-5 cups powdered sugar
• 1/2 cup vegetable shortening
• 1 stick butter (melted and cooled (1/2 cup))
• 1/2 cup crushed pineapple (drained well or fresh pineapple chopped into small pieces)
• 1 stick butter (room temperature (1/2 cup))
• 6 tbsp pureed pineapple