From Amy Sedaris' I Like You: Hospitality Under the Influence
Mix 3 Tbsp. flour, 1 cup Sugar, and 1/8 tsp. Salt in a bowl. Add 4 cups fresh or frozen Blueberries, 1 Tbsp. lemon juice, 2 tsp. Vanilla, and 2 tsp. Cinnamon - toss well. Pour into pie shell and dot with butter. Cover with top crust. Crimp of flute and cut several vents. Bake at 425 (218) for 10 minutes then turn down to 350 (177), cover edge with aluminum foil to prevent burning and bake for 30-45 minutes. Enjoy fresh out of the oven!