Summer Squash Souffle

Name: Summer Squash Souffle
Ingredients: 1 medium zucchini (thin); 1 scallop squash (not much wider than the palm of your hand; balsamic vinegar; olive oil; sea salt; 2 tablespoons butter, separated; 1 tablespoon flour; 1/2 cup whole milk; 1 egg, separated; 2 tablespoons finely minced onion; 2 tablespoons finely minced parsley; 1 tablespoon finely minced garlic; 1 teaspoon salt; 1/2 teaspoon paprika; black pepper