Preheat oven 375 degrees. Grease an 8" square pan.
Toss pineapple and berries in a bowl with 2tbsp flour and 1tbsp sugar. Pour into prepared dish.
Combine remaining flour, sugar and salt in separate bowl. Add butter and combine with hands until a crumbly texture forms. Spread evenly on top of fruit.
Place in oven for 25 to 30 minutes or until top is golden and your home smells like tropical cake. Let set 10 minutes before serving. Don't forget the ice cream.
Recipe by pretty plain janes at https://prettyplainjanes.com/2015/05/13/pineapple-strawberry-crumble/