Asparagus, Leek, and Potato Soup Recipe

Ingredients

• 3 tablespoons butter
• 1 bunch asparagus, ends trimmed and stalks cut into small pieces
• 4 medium leeks, sliced, white parts only and thoroughly washed
• 2 medium red potatoes, peeled and diced
• 1 large shallot, thinly sliced
• 2 cloves garlic, freshly minced
• 3 tablespoons all-purpose flour
• 2 cups warm water
• 1 (14.5 ounce) can low-sodium chicken stock
• 1 cube chicken bouillon
• 4 tablespoons sour cream, or as desired
• 1 pinch paprika, or to taste
• ground black pepper to taste