Mac and Cheese with Bacon Cauli Crumb

Name: Mac and Cheese with Bacon Cauli Crumb
Ingredients: 400 g Dried Macaroni Pasta; 50 g Butter; 1 medium (130g approx.) Brown Onion (finely diced); 1 medium (300g approx.) Leek (finely sliced); ½ tsp (2g) Smoked Paprika; 2 tsp (10g) Garlic Powder; 2 tbsp (20g) Flour; 3 cups (750ml) Milk; ½ tsp (3g) Salt; ½ tsp (3g) Pepper; 1 cup (100g) + ½ cup (50g) Cheddar Cheese (grated); 1 cup (48g) Fresh Bread crumbs (from 2 crusts of a bread loaf); 200 g Shoulder Bacon (rind removed and roughly chopped); 2 tsp (2g) Italian Herb; 400 g Cauliflower Rice; 130 g Mesclun Salad (or you favourite side of greens)