Adapted from Honey and Jam
1 cup blueberries
1 cup blackberries
1/2 cup turbinado sugar (You can substitute with white or brown sugar)
Fresh lemon juice to taste
1 cup rolled oats
1/4 cup flour
1/3 cup light brown sugar
1/2 stick unsalted butter, softened
Preheat oven to 425°F
Combine berries, sugar and lemon juice and divide among ramekins dishes. Bake for 10 minutes.
Blend together all topping ingredients in a bowl with your fingertips until butter is evenly distributed and mixture is crumbly.
Stir fruit filling. Sprinkle topping over the fruit and bake until topping is crisp and golden and fruit is bubbling, about 15 minutes.