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  • Prep-time: / Ready In:
  • Makes 8 cups

Fluffy golden mashed potatoes blanket a bounty of vegetables in this classic casserole that can warm you up even on the coldest nights. Carrots, onions, celery, and corn are cooked down into a savory gravy that adds rich flavor and moisture to the potato dish. The flavors will become richer the more they have time to meld, so you might want to make a double batch to keep in the fridge for easy and delicious leftovers.

Budget-Friendly Shepherd’s Pie in a white bowl with a wooden spoon


  • 2 lb. Yukon gold potatoes, peeled and cut into large pieces
  • 2 cups unsweetened, unflavored plant-based milk
  • Sea salt, to taste
  • Freshly ground black pepper, to taste
  • 1 cup coarsely chopped onion
  • 1 cup coarsely chopped carrots
  • 1 cup coarsely chopped celery
  • 1 cup frozen corn
  • 3 cloves garlic, minced
  • 1½ teaspoon dried Italian seasoning, crushed
  • ¼ cup rolled oats
  • 1 tablespoon white wine vinegar


  1. Preheat oven to 425°F. Place potato pieces in a steamer basket in a large saucepan. Add water to saucepan to just below basket. Bring to boiling. Steam, covered, about 20 minutes or until tender. Transfer potatoes to a large bowl and mash. Add 1 cup of the milk. Season with salt and pepper. Mix well. Set aside.
  2. In a large skillet combine the next six ingredients (through Italian seasoning) and ¼ cup water. Cook over medium-low about 10 minutes or until vegetables are tender, stirring occasionally.
  3. Meanwhile, place oats in blender or food processor; process until you have a flour-like consistency. In a small bowl whisk oat flour into the remaining 1 cup milk. Stir flour mixture into skillet with vegetables. Stir in vinegar. Taste and adjust seasonings. Cook until mixture thickens, stirring occasionally.
  4. Transfer vegetable mixture to a 2-quart baking dish. Top with mashed potatoes, spreading evenly.
  5. Bake 20 minutes or until potatoes are lightly browned on top. Let cool 10 minutes before serving.

Comments (5)

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Donna1 day ago
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Why when a recipe needs oat flour why can’t it have both options? – how much oat flour or how much oats added to blender and made into flour. I keep oat flour on hand so I don’t have to make it and dirty my blender every time a recipe calls for oat flour.

Sally Mather2 weeks ago
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Is the nutritional information available for this recipe?

TerriKelley1 month ago
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Why vinegar?

Theresa H.1 month ago
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Any type of acid helps brighten up the flavors. Vinegar or lemon juice is usually added to any soup or stew to finish it off.

Abby1 month ago
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Is the white wine vinegar necessary? Or is it just for flavoring?

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about the author

Darshana Thacker

Darshana Thacker is chef and culinary project manager for Forks Over Knives. A graduate of the Natural Gourmet Institute, she is the author of Forks Over Knives: Flavor! She created the recipes for Forks Over Knives Family and was a lead recipe contributor to the New York Times bestseller The Forks Over Knives Plan. Her recipes have been published in The Prevent and Reverse Heart Disease Cookbook, Forks Over Knives—The Cookbook, Forks Over Knives: The Plant-Based Way to Health, and LA Yoga magazine online. Visit for more.

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