Zucchini Lasagna with Ground Beef (Keto-friendly)| Jernej Kitchen

Ingredients

• 2 tbsp olive oil
• 1 tsp lard (optional)
• 1 tbsp bacon, finely chopped
• 1 small onion, finely chopped
• 1/2 celery stalk, finely chopped
• 1/2 bell pepper, finely chopped
• 1 sprig thyme, 1 bay leaf
• 2 cloves of garlic, finely chopped
• 350 g ground beef (12.5 ounces)
• 1/2 tsp tomato paste
• 1 tomato, finely chopped
• 200 g tomato purée (7 ounces)
• 150 ml beef stock or water (2/3 cup)
• 3 tbsp heavy cream
• 4 medium zucchini
• 3 cloves of garlic
• 1 tbsp chopped parsley
• 1 tbsp olive oil
• 2 tbsp butter (30g / 1 ounces)
• 250 g Ricotta cheese (1 cup or 9 ounces)
• 100 g heavy cream (3.5 ounces)
• 1/2 tsp ground nutmeg
• 40 g Pecorino Romano cheese (1.4 ounces)
• 60 g Gouda cheese (2.1 ounces) + 40g (1.4 ounces)for sprinkling on top
• 1 tsp baking powder
• 1 egg yolk