Comparison of Prices for Summertime Food Favorites A glut has driven down soft-shell lobster prices in Maine. Some other popular summertime foods and their advertised prices this week in the Portland area: Skinless chicken breasts: $1.99/pound Italian sausage: $3.69/pound Small soft-shell lobsters: $3.79/pound 85 percent lean ground beef patties: $3.99/pound Natural casing frankfurters: $3.99/pound New York sirloin steak: $4.99/pound Baby back ribs: $5.99/pound Marinated beef tips: $7.99/pound Sockeye salmon fillets: $9.99/pound Fresh swordfish steaks: $12.99/pound Sea scallops: $15.99/pound Sources: Lobster dealers, fliers for Hannaford, Shaw's supermarkets.