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Potatoes

Small Potatoes

Salted Butter

Mushrooms

Brown Lentils

Garlic

Kosher Salt

Onion

Tomato Puree

Bay Leaves

Olive Oil

Dry White Wine

Vegetable Stock

Cornstarch

Soy Sauce

Rosemary

Parsley

Sage

Chives

Instructions

• Add Ingredients: 12 cups chopped mixed vegetables 1 cup chopped fresh mushrooms 1 cup pearl onions TOPPING: Preheat oven to 450°.
• Bake potatoes on a foil-lined baking sheet until tender, about 45 minutes.
• Let cool slightly, then peel.
• Press potatoes through a ricer, food mill, or colander into a large bowl.
• Add butter; stir until well blended.
• Stir in milk.
• Season to taste with salt.
• FILLING: Soak dried porcini in 3 cups hot water; set aside.
• Combine lentils, 1 garlic clove, 1 tsp.
• salt, and 4 cups water in a medium saucepan.
• Bring to a boil; reduce heat and simmer, stirring occasionally, until lentils are tender but not mushy, 15–20 minutes.
• Drain lentils and discard garlic.
• Heat 3 Tbsp.
• oil in a large heavy pot over medium heat.
• Add onions and cook, stirring occasionally, until soft, about 12 minutes.
• Add chopped garlic and cook for 1 minute.
• Stir in tomato paste.
• Cook, stirring constantly, until tomato paste is caramelized, 2–3 minutes.
• Add bay leaves and wine; stir, scraping up any browned bits.
• Stir in porcini, slowly pouring porcini soaking liquid into pan but leaving any sediment behind.
• Bring to a simmer and cook until liquid is reduced by half, about 10 minutes.
• Stir in broth and cook, stirring occasionally, until reduced by half, about 45 minutes.
• Strain mixture into a large saucepan and bring to a boil; discard solids in strainer.
• Stir cornstarch and 2 Tbsp.
• water in a small bowl to dissolve.
• Add cornstarch mixture; simmer until thickened, about 5 minutes.
• Whisk in miso.
• Season sauce with salt and pepper.
• Set aside.
• Preheat oven to 450°.
• Toss vegetables and pearl onions with remaining 2 Tbsp.
• oil, 5 garlic cloves, and rosemary sprigs in a large bowl; season with salt and pepper.
• Divide between 2 rimmed baking sheets.
• Roast, stirring once, until tender, 20–25 minutes.
• Transfer garlic cloves to a small bowl; mash well with a fork and stir into sauce.
• Discard rosemary.
• DO AHEAD: Lentils, sauce, and vegetables can be made 1 day ahead.
• Cover separately; chill.
• Arrange lentils in an even layer in a 3-qt.
• baking dish; set dish on a foil-lined rimmed baking sheet.
• Toss roasted vegetables with fresh mushrooms and chopped herbs; layer on top of lentils.
• Pour sauce over vegetables.
• Spoon potato mixture evenly over.
• Bake until browned and bubbly, about 30 minutes.
• Let stand for 15 minutes before serving.