Spaghetti with squash cream and bacon crumble

Name: Spaghetti with squash cream and bacon crumble
Yield: 4 portions
Ingredients: 300 gr. butternut squash, cut into small pieces; 1 clove of garlic; 2 tbsp. olive oil; 3-4 tbsp. milk (or vegetable broth); 2-3 slices of F. Ménard bacon, cut into pieces; 2 slices of country bread, crushed; 1 small spring of rosemary; 400 gr. spaghetti; 4-5 tbsp. parmesan cheese, grated; Salt and pepper; 