Mushroom and tomato quiche Lorraine with golden potato crust

Ingredients

• 5 eggs
• 1 cup milk
• 450 g grated potatoes (rinsed and drained)
• 2 tbsp unsalted butter (melted)
• ½ + 1 tsp salt (the 1 tsp is for filling
• ¼ tsp ground pepper + ½ tsp for filling
• 1 tbsp pecorino romano
• ½ cup cherry tomatoes (halved)
• ½ cup mushrooms (fried)
• ½ cup bacon (fried)
• ¼ cup onion (sautéed)
• ½ cup grated hard cheese (I used white cheddar)
• 1 tsp garlic (sautéed)
• 1 tsp chopped basil (chopped)