Eggplant Tomato Tart

• 4 japanese eggplants
• 3 tomatoes
• 2 eggs (whole)
• 1 recipe tart dough
• 1 egg yolk
• 1/2 guyere
• 350 ml cream (light)
• 80 ml olive oil
• 18 gr basil leaves
• 500 slices oven until the eggplant are browned (lightly)