Try this quick and easy vegetable side with our Roasted Salmon with Herbed Yogurt.
In a large Dutch oven or heavy pot, heat oil over medium. Add shallots and season with salt and pepper. Cook until soft, 4 to 6 minutes. Add spinach and cook, tossing, just until wilted. Stir in lemon juice. Using tongs or a slotted spoon, transfer spinach to a serving dish.