Ingredients

  • 2 sweet potatoes, peeled and sliced
  • 1 cup baby carrots, halved
  • 2 cups cauliflower florets, sliced
  • 1 1/2 cups celery root, peeled and sliced
  • 3 tablespoons olive oil
  • 1 teaspoon fresh thyme, chopped
  • salt and pepper, to taste
  • 1 medium onion, diced
  • 3 tablespoons tomato paste
  • 2 cups chicken broth
  • 1/2 cup mild cheddar cheese, shredded
  • 2/3 cup quick oats
  • 1/4 cup hazelnuts, ground
  • 2 tablespoons flour
  • 2 tablespoons honey

Method

  • Preheat oven to 400 F,.
  • Meanwhile toss sweet potatoes, carrots, cauliflower and celery root with 1 tbsp olive oil, thyme,salt and pepper.
  • Place on a large parchment paper-lined baking sheet.
  • Roast until vegetables are tender and golden, about 25 minutes.
  • Heat 1 tsp oil in a saucepan over medium heat.
  • Add onions and cook until softened, about 3 minutes.
  • Stir in tomato paste and cook, stirring for one minute.
  • Add broth and bring to a boil.
  • Boil 2 minutes.
  • Remove from heat and whisk in cheese until it melts.
  • Add vegetables to cheese sauce and transfer to a greased casserole dish.
  • Combine oats, ground hazelnuts, flour, honey and remaining oil to form a crumble.
  • Sprinkle crimble mixture on vegetables and bake until topping is golden brown, about 30 minutes.