Turn the oven on to 180 °C on regular bake so it's nice and hot when it's time to bake.
Bring the water to a boil
Fill the saucepan with water, add a good pinch of salt and bring it to a boil over high heat.
Prep the veggies
Peel and slice the onion, crush or mince the garlic, then cut the zucchini (220 g) into small cubes. Open the can of lentils and drain them (400 g) in the colander.
Sauté the onion and garlic
Heat the olive oil (1 tbsp) in the skillet over medium heat, add the onion and sauté it for 3 min, then the garlic for 30 seconds, stirring.
Cook the zucchini
Add the zucchini to the skillet, salt and pepper, and cook 5 min over medium-high heat, stirring often, until tender.
Tip · Don't cover the skillet and let the zucchini brown, that way it gives off less water and the gratin doesn't get soggy.
Cook the pasta
Drop the elbow pasta (140 g) into the boiling water and cook it for 8 min, so 1 to 2 min less than the package says. Drain it in the colander.
Tip · Drain the pasta a little before the package time, since it finishes cooking in the oven and would turn gummy otherwise.
Mix it all together
Add the drained lentils and the crème fraîche (14 cl) to the skillet, stir for 2 min over low heat, then fold in the pasta. Taste and adjust the salt and pepper.
Fill the dish and add cheese
Pour the mixture into the baking dish, spread it out and sprinkle with all of the shredded cheese (60 g).
Bake until golden
Bake at 180 °C for 10 min, until the top is golden and bubbly. Let it rest 2 min before serving.
And there you go, it's readyCheck off every step to celebrate.
The questions you're asking
short answers, numbers you can check
How many calories in a serving?
One serving has about 841 kcal. 39% comes from carbs, 16% from protein and 42% from fat.
82 gCarbs
34 gProtein
39 gFat
Per serving (the dish for 2, divided by 2)
Energy
841 kcal
Protein
33.9 g
Carbs
81.5 g
of which sugars
8 g
Fat
38.9 g
of which saturated fat
20.7 g
Fiber
13 g
Salt
1.6 g
Worked out ingredient by ingredient with the ANSES Ciqual 2025 table, never written by an AI. It's an estimate: veggie sizes and brands make the numbers vary.
How much does it cost?
About $2.34 a serving, adding up the average prices of the ingredients you need to buy.
≈ $4.68for 2 people
≈ $2.34a serving
Pantry salt, oil and spices aren't counted. Your store and your brands will move the total, but the ballpark is right.
How long does it keep?
2 days in the fridge, in a closed container, once cooled within two hours. And it freezes really well.
2 daysin the fridge
Very wellin the freezer, thaw it in the fridge the day before