I used to stay off property for my short trips & am always on a budget so I understand your point.
My friend & I used to eat breakfast before we got to the parks & bigger meals somewhere near our hotel on our way home from the parks at night & one QS entree, usually split between us in the parks during the day.
Here's my list of favorites in the parks & surrounding resorts:
Sunshine Seasons for the Beet & Goat Cheese Salad or Salmon & Strawberry Shortcake
Kringla Bakery in Norway for the club sandwich & school bread (easily split between myself & my friend as our one meal of the day)
Les Halles Bakery in France for a bowl of soup & 1/2 baguette or the cheese plate & 1/2 baguette
Somerfest for the Nudel Gratin (a snack that serves as a meal for me)
Columbia Harbor House
Casey's for corndog nuggets but they've since done away with the hot cheese from what I understand which deters me a bit from this option now
Captain Cook's at The Poly
Gasparilla Island Grill at GF
Studio Catering for the Spicy Chicken sandwich
Backlot Express for the Grilled Veggie Sandwich or Buffalo Chicken Nuggets
The Boardwalk Bakery for a sandwich & soup/salad
Flametree BBQ for the smoked turkey sandwich & onion rings