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1 Bunch Asparagus, ends snapped off and cut into quarters
1 Tbsp Unsalted Butter
1 Yellow Onion, diced
1 bunch Arugula, roughly chopped
1 lb Purple Potatoes, diced
1/4 Cup Sour Cream (optional)
1/4 Cup White Wine
2 cups Chicken or Vegetable Stock
Pepper
Sea Salt
Heat butter in a medium pot. Add onions and potatoes and sauté 10 minutes. Season with a pinch of sea salt. Add broth and cook 10 more minutes. Add asparagus and cook until almost tender. Add arugula and white wine. Stir until arugula starts to wilt. Remove from heat and use an immersion blender to purée until smooth. You can also use a regular blender and purée in batches. Season with sea salt and pepper to taste. Stir in sour cream if desired.
