Preheat oven to 375 degrees.
In a mixing bowl, cream together shortening and both sugars using a hand mixer. Add egg and mix until smooth. Add vanilla extract and mix well.
1/2 cup shortening, 1/2 cup packed brown sugar, 1/2 cup white sugar, 1 egg, 1 tsp. vanilla extract
In a separate mixing bowl, whisk together dry ingredients. Add to wet ingredients and mix until just combined. Dough will be crumbly.
2 cups flour, 2 tsp. baking powder, 1/2 tsp. salt
Add drained pineapple and mix just until a dough forms.
1/2 cup canned crushed pineapple
Shape cookie dough into 1-1/2 inch balls (#30 scoop) and place on a parchment lined cookie sheet at least 2 inches apart. Bake cookies 10-12 minutes until the edges just begin to brown.
Allow cookies to cool on cookie sheet for 5 minutes before moving to a wire rack to finish cooling before glazing.