Which food has less impact on blood sugar?

TORTILLA {BLEACHED ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, VEGETABLE OILS (COTTONSEED AND/OR PALM OIL), OAT HULL FIBER, VITAL WHEAT GLUTEN, CONTAINS 2% OR LESS OF THE FOLLOWING: MODIFIED WHEAT STARCH, SUGAR, SALT, LEAVENING (SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, CORNSTARCH, MONOCALCIUM PHOSPHATE AND/OR SODIUM ACID PYROPHOSPHATE, CALCIUM SULFATE), YEAST, DISTILLED MONOGLYCERIDES, ENZYMES, WHEAT STARCH, CALCIUM CARBONATE, TOCOPHEROLS, ASCORBIC ACID, CITRIC ACID (PRESERVATIVE), CARBOXYMETHYL CELLULOSE, GUAR GUM, DOUGH CONDITIONER BLEND [FUMARIC ACID, SODIUM METABISULFITE (PRESERVATIVE), MONOGLYCERIDE}, CALCIUM PROPIONATE (PRESERVATIVE), SORBIC ACID (PRESERVATIVE)], CHICKEN [CHICKEN BREAST WITH RIB MEAT, CHICKEN BROTH (WATER, POWDERED COOKED CHICKEN WITH NATURAL FLAVOR), SALT, CONTAINS 2% OR LESS OF: VINEGAR, SUGAR, MODIFIED POTATO STARCH, CARRAGEENAN, SODIUM PHOSPHATE, CHICKEN FLAVOR, ONION POWDER, GARLIC POWDER, MOLASSES], LETTUCE, CHEDDAR CHEESE [CULTURED PASTEURIZED MILK, SALT, ENZYMES, ANNATTO (COLOR)], RANCH DRESSING [SOYBEAN OIL, WATER, DISTILLED VINEGAR, BUTTERMILK SOLIDS, EGG YOLKS, CONTAINS LESS THAN 2% OF: SALT, SUGAR, DEHYDRATED ONION, NATURAL FLAVOR, DEHYDRATED ONION, NATURAL FLAVOR, DEHYDRATED GARLIC, SPICES, LACTIC ACID, SODIUM BENZOATE (PRESERVATIVE), POTASSIUM SORBATE (PRESERVATIVE), XANTHAN GUM, DISODIUM INOSINATE, DISODIUM GUANYLATE, DEHYDRATED PARSLEY, PHOSPHORIC ACID, CALCIUM DISODIUM EDTA], BACON [PORK, WATER, SALT, SUGAR, SMOKE FLAVORING, SODIUM DIACETATE, DEXTROSE, SODIUM ERYTHORBATE, SODIUM NITRITE (PRESERVATIVE)].