Oats So Simple Microwaveable Porridge. Why choose Oats So Simple Microwaveable Porridge?. Just add milk, microwave, and savor a bowl that's rich in flavor and nutrients. Expiry Date: Quaker Oats Microwaveable Sachets Energy per 100 g/mL: Quaker Oats Microwaveable Sachets Unit Quantity: 60 sachets Food Specifications: Vegetarian.