The best vegetable lasagna - Borges India

Ingredients

• 2 onions (julienned)
• ½ glass of dry white wine
• 2 zucchini (diced)
• 3 carrots (sliced)
• 2 green peppers (sliced)
• 500 g mushrooms (sliced)
• 1 teaspoon fresh tarragon
• 1 teaspoon ground cloves
• 1 teaspoon basil
• Salt and pepper
• 70 g butter
• 70 g flour
• 1 liter whole milk
• A pinch of nutmeg
• Boiled lasagna noodles
• 200 g grated Parmesan cheese
• 100 g grated Gruyère cheese
• A splash of Borges extra-virgin olive oil