Creamy Potato Bake with Manchego Cheese & Jalapeños

Name: Creamy Potato Bake with Manchego Cheese & Jalapeños
Prep time: 20 min
Cook time: 2 h
Total time: 2 h 20 min
Cuisine: European, American, Latin American
Ingredients: 3 large washed potatoes, scrubbed, sliced 3mm thick (a mandolin is useful); ¾ cup low fat milk (lactose free if required); ⅔ cup thickened cream; 1 Tbsp Dijon mustard; ⅔ tbsp garlic infused oil; salt (to taste, see tip below); ½ tsp cracked black pepper (to taste); ½ cup green onion tops, finely sliced; 1 tsp smoked paprika; ½ tsp dried oregano flakes; ¼ cup pickled jalapenos, finely sliced (optional); ½ cup finely crumbled or grated Manchego cheese + ⅓ cup for the topping; Olive oil spray for the baking dish