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Export 5 ingredients for grocery delivery
Step 1
Heat oven to 375 degrees Fahrenheit.
Step 2
Add blueberries, lemon juice, 2 tablespoons of flour, sugar, and pinch of salt to a 9-inch pie dish (or use a 2-quart baking dish). Toss well until combined.
Step 3
Combine flour, oats, sugar, and the salt in a medium bowl. Add the melted butter then stir until all the flour has been moistened by the butter and topping is crumbly.
Step 4
Sprinkle over blueberry filling. (We like to use our hands to do this. As we sprinkle, we press the crumbles together to create larger clumps of topping.)
Step 5
Bake 25 to 35 minutes until juices are thickened and the topping has turned light golden brown. Cool 10 minutes, and then serve.