Stromboli

 Our local place sells Stromboli for 17.75 plus tax  18.81

I made one the other day (Not pretty, but pretty tasty)

Flour       .22

Yeast       .32

Water     unknown

Cheese    1.79

Sauce    .99

Meatballs    1.99

Spices    negligible

Total     5.32

Savings of   13.49