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Sliced Vegetarian Lentil Loaf with Festive Glaze

Hearty Vegetarian Lentil Loaf (Holiday Main)

A comforting and hearty vegetarian lentil loaf perfect for your Christmas dinner table. Packed with plant-based protein and festive flavor, it's gluten-free, sliceable, and deeply satisfying. Serve it with mashed potatoes, mushroom gravy, or seasonal vegetables for a stunning holiday main dish. Best part? It can be made ahead and freezes beautifully.
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Course Baking, Main Course
Cuisine gluten free, Vegetarian
Servings 6
Calories 310 kcal

Equipment

  • Loaf pan (8x4 or 9x5 inches)
  • Mixing bowls (at least 2 sizes)
  • Medium skillet or sauté pan
  • Wooden spoon or spatula
  • Measuring cups and spoons
  • Parchment paper
  • Chef's knife
  • Cutting board
  • Oven
  • Cooling rack (optional)

Ingredients
  

  • 1 cup cooked brown lentils
  • 1 cup rolled oats GF certified
  • 1/2 onion chopped
  • 1/2 cup celery diced
  • 2 tbsp tomato paste
  • 1 tbsp flaxseed meal
  • 1 tbsp olive oil
  • 1 tsp thyme
  • Salt and pepper to taste
  • 1/4 cup ketchup
  • 1 tbsp maple syrup

Instructions
 

  • Preheat oven to 375°F and line a loaf pan with parchment paper.
  • Sauté onion, celery, and thyme in olive oil until soft.
  • Mix lentils, sautéed veggies, oats, tomato paste, flax meal, salt, and pepper in a bowl.
  • Press into loaf pan. Mix ketchup and maple syrup and spread on top.
  • Bake for 45 minutes. Let cool slightly before slicing.

Notes

– Let loaf cool 10–15 minutes before slicing for best texture.
– Add chopped walnuts for crunch, or swap in mushrooms for more umami.
– Freezes well for up to 2 months.