The electromagnetic radiation of the microwave will heat up the naturally occurring water inside the spinach leaves if there ...

Stir in the hot stock, cover and microwave on high for 15 minutes, until the lentils are tender. Stir in the spinach then leave to sit for 4–5 minutes. Meanwhile, place the oil, cumin seeds and ...

Spinach, according to dietitian Harini Bala, contains nitrates, levels of which increase with cooking, studies have shown. At high heat — such as when reheating the leafy greens — nitrates are ...