Preheat oven to 350 and grease a 9-inch pie dish

Unroll crescent rolls into a pie pan, tear off the extra.

In a medium skillet spray with nonstick spray. Add oil, onions and garlic. Sautee for about 8 minutes. Spread on top of crescent rolls top with a layer of cheese

Arrange tomato slices and basil as the next layer.

In a small bowl combine the remaining ingredients in electric mixer and blend until smooth. Pour over tomatoes.

Bake at 350 for 45 minutes or until a knife comes out clean.