Meatless Monday Recipe| Lentil & Mushroom Gratin


I don’t like bean soup (including Lentil Soup), but I couldn’t pass up a bag of Lentils for 79 cents at Aldi the other day.   So I figured there had to be other ways to eat Lentils.  That’s exactly what I did for this Meatless Monday Meal.   I knew I also wanted to include the Free Mushrooms from Giant Eagle, so I “googled” Lentils and Mushroom and came up with a recipe from Australia Food called Lentil and Mushroom Gratin.

I did change up the recipe a bit to fit what I had on hand and did my best to convert grams to cups.  Here’s my version of Lentil and Mushroom Gratin.

Meatless Monday Recipe| Lentil & Mushroom Gratin
Cook time
Total time
Very frugal and tasty vegetarian meal.
Recipe type: Vegetarian Entree
Serves: 6
  • Olive oil
  • 2 TBSP Butter
  • 12 oz white mushrooms (sliced)
  • ½ Purple Onion, diced
  • 3 tsp Minced Garlic
  • 4TBSP Tomato Paste
  • 14 oz can Diced Tomatoes w/ Garlic, Basic & Oregano (drain just a bit)
  • 4 cups Cooked Lentils
  • 1 TBSP Parsley
  • ½ tsp Papeika
  • 1 cup Panko Bread Crumbs
  • 1 cup Shredded Cheddar Cheese
  1. Preheat oven to 350
  2. Heat Oil and Butter in Frying Pan
  3. Saute Mushrooms until Golden.
  4. Add onion and garlic and cook until translucent
  5. Stir in Tomato Paste, Tomatoes, and Lentils
  6. Bring to boil.
  7. Pour mixture into 9x13 baking dish and spread evenly
  8. In seperate dish (I used measuring cup) stir together Panko and Cheese
  9. Sprinkle Panko Cheese mixture on top of Lentil mixture.
  10. I drizzled a bit of Olive Oil over the top
  11. Cook for about 10 to 15 minutes until cheese is melted and crumbs are slightly golden. You could also put it under broiler instead of baking. That would be much quicker.
We are not vegetarians, but I have started making at least one meal a week that is meatless.  While I recognize the health benefits of it, my major reason for Meatless Mondays (or whatever day it might actually be) is to help the food budget.  This recipe for Lentil and Mushroom Gratin certainly fit the bill.   The whole cost of the meal that fed 6 was $3.54.

Here’s a breakdown of the costs:

Lentils 38 cents – I used half the bag
Mushrooms 42 cents – one 8 oz pack was free here and the other 1/2 I had picked up at Aldi for 88 cents.
Cheese – $1
Onion 5 cents – The whole bag was 99 cents
Tomato Paste – 50 cents
Can Tomato – $.50 – In my stockpile from a sale
Panko Breadcrumbs – $.30 – I bought these during a Super Saver sale for $1.  That definitely made it not break the bank as an overpriced Grocery Item.
Butter and Olive Oil 40¢
Spices and Seasoning 10 cents

Considering a pound of hamburger goes for $3.99, you can’t beat a whole meal for just $3.50.  The other great thing is the kids ALL  said this was definitely a do it again meal.  That means they really liked it.  I can’t say if my husband liked it or not because he had a business meeting/dinner that night – so he missed out.  I ate his portion for lunch the next day.

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