Don't know if you can use this recipe or not but my mom and I make this a lot. This is one of our most requested recipes and it's super simple and quick to make. This might become your company's new favorite dessert!

MOM’S BLUEBERRY CRUNCH
(A favorite with family and friends)

2 (15 oz) cans crushed pineapple (do not drain)
3 cups blueberries
3/4 cup sugar, sprinkled over berries
1 package (2-layer size) yellow cake mix (used dry)
1 stick butter, melted
1/4 cup sugar, sprinkled over mix
1 cup chopped pecans

Butter a 9x13-inch baking dish and add ingredients in the order listed. Do not stir.

Bake at 350 degrees for about 45 minutes.

Source: Mother