Which food has less impact on blood sugar?

POTATO BUN (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE, MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, NONFAT MILK, POTATO FLOUR [POTATOES, MONOGLYCERIDES, SODIUM ACID PYROPHOSPHATE, CITRIC ACID], SUGAR, YEAST, WHEAT GLUTEN, SOYBEAN OIL, BUTTER, SALT, DOUGH CONDITIONER [YELLOW CORN FLOUR, COLORS {TURMERIC, PAPRIKA}, CONTAINS 2% OR LESS OF: NATURAL FLAVOR], CALCIUM PROPIONATE, DOUGH CONDITIONER [CALCIUM SULFATE, WHEAT STARCH, WHEAT FLOUR, CONTAINS 2% OR LESS OF: ENZYMES {WHEAT}, SALT], DOUGH CONDITIONER [WHEAT FLOUR, SALT, ENZYMES], ASCORBIC ACID [OXIDATION], SHINE AGENT [WATER, VEGETABLE PROTEINS, VEGETABLE OIL, DEXTROSE, MALTODEXTRINS, STARCH]), FULLY COOKED OVEN ROASTED TURKEY BREAST WITH BROTH (TURKEY BREAST MEAT, WATER, TAPIOCA STARCH, SALT, DEXTROSE, SODIUM PHOSPHATES, CARRAGEENAN, DEHYDRATED TURKEY BROTH), STUFFING MIX (WATER, CHICKEN STUFFING MIX [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE (VITAMIN B1), RIBOFLAVIN (VITAMIN B2), FOLIC ACID}, CANOLA OIL, HIGH FRUCTOSE CORN SYRUP, CONTAINS LESS THAN 2% OF HYDROLYZED SOY PROTEIN, SALT, INTERESTERIFIED SOYBEAN OIL, DRIED COOKED CHICKEN, DRIED ONIONS, DRIED CELERY, DRIED PARSLEY, MONOSODIUM GLUTAMATE, YEAST, SPICE, SUGAR, DRIED CHICKEN BROTH, TURMERIC {COLOR}, DISODIUM GUANYLATE, DISODIUM INOSINATE, NATURAL FLAVOR, WITH BHA, BHT, AND ROSEMARY EXTRACT AS PRESERVATIVES]), CRANBERRY CHIPOTLE SPREAD (JELLIED CRANBERRY SAUCE [CRANBERRIES, HIGH FRUCTOSE CORN SYRUP, CORN SYRUP, WATER], CHIPOTLE PEPPER PUREE [CHIPOTLE PEPPERS, VINEGAR, SALT]).