Step 1

Preheat oven to 375°F.

Step 2

Butter your baking dish with some of the melted butter.

Step 3

Place the grapes on the bottom of the baking dish.

Step 4

In a blender add the flour, sugar, vanilla extract, remaining butter, eggs, and milk. Blend everything together so that it makes a nice thin batter.

Step 5

Pour the clafoutis batter over the grapes.

Step 6

Bake for about 1 hour or until the center is set.

Step 7

Dust with powdered sugar if preferred and serve warm.