| Roast 25 of pine nuts in a pan. |
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Put 300 grams of frozen blueberries in a buttered oven dish. |
| Mix 50 grams of butter, 60 grams of flour, 30 grams of sugar, 30 grams of brown sugar and the roasted pine nuts. |
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Distribute the crumbles onto the blueberries. |
| Bake the crumble for 35 minutes at 180 degrees Celsius. |
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Serve together with two tablespoons of crème fraîche. |