Lasagna - ELVEA 1885

Ingredients

• 1 tablespoon olive oil
• 450 grams of ground beef
• June 1st
• 2 stalks of celery
• 1 clove garlic
• 1 tablespoon flour
• 75 milliliters beef broth
• 0.5 teaspoon sugar
• 1.5 tablespoons ELVEA Double Tomato Concentrate
• 0.5 teaspoon thyme
• 345 grams ELVEA Passata Nature
• 25 grams of butter
• 25 grams flour
• 375 milliliters of milk
• 1 teaspoon mustard
• 25 grams grated cheese
• pepper
• salt
• 6 lasagna sheets
• 37.5 grams aged cheddar