While most people think of salads as healthy, they can actually be calorie-laden when you add things like creamy dressings and bacon bits. Michelle Conlon, a registered dietitian at Temple University Hospital, says “The darker the lettuces, the better.” For alternative sources of protein, Conlon says to choose things like chickpeas, black beans, tuna, avocado and nuts. And as far as dressings go, stay in the clear with translucent vinaigrettes.