Which food has less impact on blood sugar?

BLACK PEPPER TURKEY BREAST (TURKEY BREAST, WATER, NONFAT DRY MILK, CONTAINS LESS 1.5% OF SALT, SUGAR, SODIUM PHOSPHATE, POTASSIUM CHLORIDE, COATED WITH BLACK PEPPER, GARLIC POWDER. BROWNED IN CANOLA OIL), WHEAT ROLL (WHEAT SUB ROLL DOUGH [ENRICHED WHEAT FLOUR {NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, MALTED BARLEY FLOUR], WATER, WHOLE FLOUR, BREAD BASE [VEGETABLE SHORTENING {PARTIALLY HYDROGENATED SOYBEAN OIL, PARTIALLY HYDROGENATED COTTONSEED OIL, AND/OR PARTIALLY HYDROGENATED CANOLA OIL}, SALT, DEXTROSE, SUGAR, DIACETYL TARTARIC ACID ESTERS OF MONO AND DIGLYCERIDES {DATEM}, SOY FLOUR, MONO AND DIGLYCERIDES, POTASSIUM BROMATE, ASCORBIC ACID, L-CYSTEINE, ENZYME, AZORDICARBONAMIDE], BAKERS YEAST, VEGETABLE SHORTENING [MODIFIED PALM OIL, MONO AND DIGLYCERIDES, POLYSORBATE 60], VITAL WHEAT GLUTEN, DOUGH IMPROVER [WHEAT FLOUR, ENZYMES, SOYBEAN OIL], DOUGH CONDITIONER [WHEAT AND MONOGLYCERIDES WITH PROPIONIC ACID AND PHOSPHORIC ACID], NONFAT DRY MILK [PASTEURIZED NONFAT MILK], CALCIUM PROPIONATE, CARAMEL COLOR, OATS), HAVARTI CHEESE (PASTEURIZED CULTURED MILK, SALT, ENZYMES), SPINACH, CRANBERRY MUSTARD (MUSTARD (DISTILLED VINEGAR, MUSTARD SEED, MUSTARD BRAN, SALT, TURMERIC, SPICES); CRANBERRY SAUCE (CRANBERRIES, HIGH FRUCTOSE CORN SYRUP, CORN SYRUP, WATER))