Recipes and Cooking Portobello Pot Roast 5.0 (2) 2 Reviews Meaty portobellos stand in for beef in this vegetarian portobello pot roast that's as rich as the classic but cooks in a fraction of the time. By Genevieve Ko Genevieve Ko Facebook Instagram Twitter Genevieve Ko, food expert for Better Homes & Gardens, is a well-known food writer and recipe developer with more than 20 years of experience. She wrote and developed her own cookbook, Better Baking: Wholesome Ingredients, Delicious Desserts. Genevieve continues to write and develop recipes for a number of media outlets. Learn about BHG's Editorial Process Published on March 1, 2019 Print Share Share Tweet Pin Email Photo: Blaine Moats Hands On Time: 15 mins Total Time: 60 mins Servings: 4 Jump to Nutrition Facts Ingredients 12 ounce baby yellow potatoes, halved if large 8 4-inch portobello mushrooms, stemmed and, if desired, gills removed 1 Vidalia onion, cut into 8 wedges 12 ounce baby carrots with 1/2-inch tops, scrubbed 3 cloves garlic, sliced ½ cup dry white wine 1 tablespoon chopped fresh oregano 2 tablespoon extra-virgin olive oil Grated fresh horseradish Directions Preheat oven to 375°F. In a 6-quart Dutch oven layer potatoes, mushrooms, onion, carrots, and garlic. Add white wine. Sprinkle with oregano. Drizzle with oil; sprinkle with 1 teaspoon salt and 1/2 teaspoon black pepper. Bake, covered, 45 to 60 minutes or until vegetables are tender, stirring once or twice. Transfer Dutch oven to stove top. Using a slotted spoon, transfer vegetables to a serving platter. Bring cooking liquid to boiling. Boil gently, uncovered, 5 minutes or until reduced by half. Pour liquid over vegetables on platter; sprinkle with horseradish. Season to taste. Makes 4 to 6 servings. Print Nutrition Facts (per serving) 278 Calories 8g Fat 43g Carbs 8g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 4 Calories 278 % Daily Value * Total Fat 8g 10% Saturated Fat 1g 5% Sodium 405mg 18% Total Carbohydrate 43g 16% Total Sugars 15g Protein 8g Vitamin C 17.9mg 90% Calcium 82mg 6% Iron 2.4mg 13% Potassium 1652mg 35% Folate, total 120.6mcg Vitamin B-12 0.1mcg Vitamin B-6 0.8mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.