Fresh Strawberry Souffle

I made this in an old corningware casserole dish.
It rose just great using the butter and sugar method,
and this souffle tasted even better than it looked.

Ingredients:
2 pints fresh strawberries
8 tablespoons suger
3 tablespoons flour
4 egg whites
1 teaspoon vanilla extract
1 tablespoon butter
1 tablespoon sugar

Directions:
Wash and pick over strawberries,
hull and cut them in pieces,
placing them in a mixing bowl.
Cover strawberries with sugar, mix well and
let sit for 30 minutes, drain liquid from berries
Add flour and salt then mix them to combine.
In a glass mixing bowl whip egg whites until frothy.
Add egg whites to strawberry mixture, folding it in.
Do not over mix! Preheat oven to 400 degress F.
Butter the bottom and sides of a casserole dish.
Add 1 tablespoon sugar and turn to coat all over.
Carefully pour the strawberry and egg white into casserole.
Try not to mix it up all that much, just even it out.
Bake covered in pre-heated over for about 50 minutes.
Remove and serve at once, nice and warm.