Buttered Spinach with Vinegar

Ingredients

• 4 bunches flat-leaf spinach with some water clinging rinsed trimmed
• 4 servings kosher salt freshly ground
• 2 teaspoons red wine vinegar ()
• 6 tablespoons butter unsalted ()

Equipment

• pot

Directions

1. Gradually add spinach to a large drypot over medium heat, allowing it to wiltbetween additions; cook until tender,5-8 minutes.
2. Drain; press to remove liquid.Wipe out pot.
3. Melt butter in same pot over mediumheat.
4. Add spinach and 2 teaspoons vinegar.Season with salt, pepper, and more vinegar,if desired; toss to coat.