Swedish Shrimp Plate

Ingredients

• 1/2 cup dairy sour cream
• 1 tbsp chopped fresh parsley
• 1 tbsp capers
• 1 to 2 tsp anchovy paste, if desired
• 8 oz. cooked medium shrimp
• 1/2 cup cooked peas
• 4.5 oz jar whole mushrooms, drained
• 1/4 cup oil
• 1/4 cup lemon juice
• 1/4 tsp dry mustard
• Lettuce leaves
• 1 medium tomatoe, quartered
• 1 egg, hard-cooked, cut into wedges