Butternut Squash Casserole - Vegeterian

2 medium butternut squash , halved and peeled cooking spray 1 teaspoon olive oil 5 garlic cloves , chopped 1 lb white button mushrooms , cleaned and thinly[...]

1 (13 ounce) box frozen butternut squash or 1 butternut squash, cooked and pureed 3 large eggs 2 cups milk 1/3 cup sugar 1/2 cup cake flour 1 tablespoon[...]