Lemon Garlic Rosemary Spinach

2 teaspoon olive oil
4 tablespoons lemon juice
6 teaspoons Dijon mustard
4 teaspoons minced garlic
2 teaspoon chopped fresh rosemary or 1 teaspoon
dried rosemary
4 cups fresh spinach, washed and dried

Heat oil in a medium skillet about 30 seconds. Add lemon juice, mustard, garlic, and rosemary and stir until combined. Add spinach and stir over medium-high heat until the spinach wilts and is well combined with the other ingredients.