Vegan Roasted Garlic Mashed Cauliflower. Preheat oven to 375F. Line a baking sheet with parchment paper or spray with cooking spray. Mashed cauliflower is as fast as it is easy, this side dish is cooked in the microwave and blended together for a creamy side dish. Uncured Meat there. It comes with chicken broth, sour. Mashed Cauliflower Green Bean Casserole with just 6 ingredients and made in 3 easy steps. Treat yourself to the best delicious vegan comfort food ever.