Beef with Garlic and Spinach

Name: Beef with Garlic and Spinach
Prep time: 45 min
Cook time: 1 h 23 min
Total time: 2 h 8 min
Yield: 4
Ingredients: 600 g boneless beef shoulder; 6 cloves garlic; 2 tbsp lard; 80 g English bacon; 1 onion; 400 ml beef stock; 600 g spinach; 40 g onion; 3 cloves garlic; 100 g speck (fatty bacon); 1 egg; salt, as needed; pepper, as needed; water, as needed