As a registered dietitian , my happy place is wandering the aisles of a grocery store — especially Trader Joe's. It's been one of my favorite stores since I was a child, and it's still one of the first places I go when I want to pick up items that make nutritious eating feel more realistic. Here are some of the many items I always add to my cart. Trader Joe's roasted-garlic hummus is satisfying on its own or when paired with veggies. Trader Joe's roasted-garlic hummus makes a great sandwich spread. Serena Pratt Hummus is one of my favorite foods for rounding out snacks and meals. Since it's made primarily from chickpeas, it adds fiber, plant-based protein, and iron in a form that's easy to eat. I use the roasted-garlic version as a dip, sandwich spread, salad dressing, or addition to a snack plate, and I especially love pairing it with Trader Joe's mini cucumbers for the perfect no-prep snack. Plain, nonfat Greek yogurt is one of the most versatile items in my fridge.…