Stock the fridge with a week's worth of lunches using a handful of ingredients from your local grocery store. To reduce carbs, we're swapping in riced cauliflower for regular rice and adding pregrilled asparagus, which bulks up these bowls and adds fiber. At lunchtime, just reheat to steaming then top with a bit of pesto. Try Trader Joe's for fast shortcut ingredients like these—see Tip (below) for our product recommendations.