Seafood Strudel

Ingredients

• 2 Tbsp. butter
• 2 Tbsp. all-purpose flour
• 1/2 tsp. Dijon mustard
• 1/8 tsp. salt
• 3/4 c. milk
• 1 1/2 lb. shrimp, cleaned, deveined and drained
• 1/2 lb. crab meat
• 10 sheets phyllo pastry, thawed
• 1 c. melted butter
• 1/2 c. bread crumbs
• 1/4 c. Parmesan cheese
• 1/8 tsp. dry mustard
• 1 c. shredded Swiss cheese
• 1 hard-cooked egg, chopped
• 1/4 c. chopped shallots
• 1/2 c. chopped parsley
• 1/4 c. chopped green onion tops and bottoms
• 1 large clove garlic, minced
• 1/2 c. sour cream
• parsley, shrimp and lemon slices (for garnish)