Spaghetti Bolognese Gratin

Spaghetti Bolognese Gratin is a easy Italian recipe that serves 4. 850 calories per serving. Recipe by 750g on YouTube.

Prep: 12 min | Cook: 72 min | Total: 1 hr 39 min

Cost: $11.25 total, $2.81 per serving

Ingredients

  • 400 g Spaghetti (cooked al dente)
  • 300 g Ground beef (lean if possible)
  • 1 Onion (medium, finely chopped)
  • 2 Garlic cloves (crushed)
  • 30 ml Olive oil (for cooking and to drizzle over the pasta)
  • 400 g Tomato purée (canned or jarred)
  • 30 g Butter (for the béchamel)
  • 30 g All-purpose flour (for the béchamel)
  • 500 ml Whole milk (for the béchamel)
  • 1 pinch Nutmeg (flavors the béchamel)
  • 100 g Grated Parmesan (divided into two portions)
  • 200 g Grated mozzarella (for gratinating)
  • to taste Salt
  • to taste Black pepper
  • 1 Herb bundle (thyme, bay leaf) (optional)

Instructions

  1. Prepare the aromatics

    Finely chop the onion and crush the garlic cloves.

    Time: PT5M

  2. Sauté

    Heat 2 tablespoons of olive oil in a pan, add the onion and garlic, sauté for 5 minutes until translucent.

    Time: PT5M

  3. Cook the meat

    Add the ground meat, break it up with a wooden spoon and cook for 5 minutes until nicely browned.

    Time: PT5M

  4. Add the tomato and simmer

    Stir in the tomato purée, season with salt and pepper, add the herb bundle, cover and let simmer for 20 minutes over low heat.

    Time: PT20M

  5. Prepare the béchamel

    Melt the butter in a saucepan, add the flour and stir for 1 minute to form a roux.

    Time: PT2M

  6. Thicken the béchamel

    Gradually pour in the milk while whisking, add salt, pepper and a pinch of nutmeg, bring to a boil then cook for 5 minutes until thickened.

    Time: PT5M

  7. Cook the spaghetti

    Bring a large pot of salted water to a boil, add the spaghetti and cook 8‑10 minutes according to package instructions. Drain.

    Time: PT10M

  8. Drain and oil

    Return the spaghetti to the pot, add a drizzle of olive oil and toss to prevent sticking.

    Time: PT2M

  9. Assemble the gratin

    In a gratin dish, pour half of the Bolognese sauce, sprinkle half of the Parmesan, layer half of the spaghetti, cover with béchamel, add the remaining Parmesan, place the remaining spaghetti, top with the rest of the Bolognese sauce and finish with a generous layer of grated mozzarella.

    Time: PT5M

  10. Bake

    Place the dish in a preheated 180°C oven for 25 minutes until the top is golden and crisp.

    Time: PT25M

    Temperature: 180°C

Nutrition Facts

Calories
850
Protein
45 g
Carbohydrates
85 g
Fat
45 g
Fiber
5 g

Dietary info: contains meat, contains gluten, contains dairy, high protein, high-protein, high-fiber

Allergens: gluten, dairy, nutmeg

Last updated: April 7, 2026

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Spaghetti Bolognese Gratin

Recipe by 750g

A reinvented gratin that replaces lasagna with spaghetti. Homemade Bolognese sauce, creamy béchamel, melting mozzarella and gratinated Parmesan. Ready in under an hour for four people.

EasyItalianServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
14m
Prep
1h 10m
Cook
10m
Cleanup
1h 34m
Total

Cost Breakdown

$11.25
Total cost
$2.81
Per serving

Critical Success Points

  • Break up the meat properly to avoid large lumps.
  • Thicken the béchamel without forming lumps.
  • Cook the spaghetti al dente so they don’t become too soft in the oven.
  • Distribute the sauce and pasta layers evenly.
  • Bake until a golden crust forms without burning.

Safety Warnings

  • Be careful of hot oil splatters when cooking the onion and garlic.
  • Handle the hot oven and baking dish with heat‑resistant gloves.
  • Boiling water can cause burns: use tongs or a slotted spoon.

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