Caesar White Beans - Serving Dumplings

Ingredients

• 1 tbsp unsalted butter
• 1 shallot (finely chopped)
• 3 garlic cloves (minced)
• ½ tsp salt
• ½ tsp black pepper
• 1 anchovy fillet
• ¼ cup chicken broth
• 1 tsp mustard (Dijon or grain mustard)
• 2 tsp Worcestershire sauce
• 3 cans butter beans (14 oz/400 g each, drained and rinsed)
• 1 cup half-and-half
• ¼ cup grated Parmesan
• 1 tbsp lemon juice (more to taste)
• 1 tbsp chopped parsley (more for serving)
• freshly ground black pepper (for serving)