This coconut pineapple sheet cake is a crowd-pleasing dessert that's perfect for potlucks, picnics, or any gathering. The cake is moist and fluffy, with a sweet pineapple and coconut flavor that's sure to impress. To make this cake, you'll need flour, sugar, baking powder, salt, eggs, oil, crushed pineapple, shredded coconut, and vanilla extract. Mix the dry ingredients together, then add the wet ingredients and mix until smooth. Fold in the pineapple and coconut, then pour the batter into a greased sheet pan. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean. Let the cake cool completely before frosting with your favorite frosting or whipped cream. Cut into squares and serve for a delicious and easy dessert!