Roasted pumpkin spinach and feta slice is part of pizza - Method Toss pumpkin, zucchini and onion in prepared baking dish with oil, season to taste and spread out Bake for 1520 minutes, or until vegetables are golden and tender Vegetable Dishes, Vegetable Recipes, Vegetarian Recipes, Healthy Recipes, Vegetable Bake, Vegetable Slice, Pumpkin Recipes Savoury, Vegetarian Cooking, Roast Vegetable Frittata