4 cups fresh blueberries (you can use frozen)

1 Tablespoon fresh lemon juice

1 Tablespoon white sugar

1/2 cup brown sugar

1/2 cup flour

1/2 teaspoon cinnamon

5 Tablespoons butter, at room temperature

3/4 cup rolled oats (not instant)

1/2 teaspoon vanilla paste (you can use vanilla extract)

1/2 cup slivered or sliced almonds

Preheat oven to 375°

Rinse and drain blueberries and dump into prepared baking dish.  Sprinkle white sugar and lemon juice over berries.  

In a large bowl, using your hands or a pastry cutter, combine brown sugar, flour, cinnamon, butter, oats, vanilla and almonds.

Sprinkle oat mixture over blueberries. 

Bake for 30 minutes or until bubbly. 

Serve with vanilla ice cream or whipped cream.