Which food has less impact on blood sugar?

MASHED POTATOES (REHYDRATED POTATO FLAKES AND GRANULES [WATER, POTATOES, MONO- AND DIGLYCERIDES, CITRIC ACID, DISODIUM DIHYDROGEN PYROPHOSPHATE, BHT, SODIUM BISULFITE], BUTTER [CREAM, SALT], CREAM, SALT, FLAVORING), VEGETABLES (GREEN BEANS, CARROTS, WATER), STUFFING (WATER, BREAD CUBES [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID}, WHOLE WHEAT FLOUR, HIGH FRUCTOSE CORN SYRUP, SALT, VEGETABLE SHORTENING {PALM OIL}, DEHYDRATED ONIONS, YEAST, GRAIN VINEGAR, WHEAT GLUTEN, SAGE, BASIL, BLACK PEPPER, SOYBEAN OIL, SOY LECITHIN], CELERY, ONIONS, SEASONING [MALTODEXTRIN, DEHYDRATED ONION, HYDROLYZED SOY AND CORN PROTEIN, SALT, CHICKEN FAT, SUGAR, CHICKEN FLAVOR, DEHYDRATED PARSLEY, SPICES, CHICKEN POWDER {COOKED CHICKEN, NATURAL FLAVOR}, TURMERIC, DISODIUM INOSINATE AND GUANYLATE, EXTRACTIVES OF TURMERIC], SAGE), COOKED TURKEY (TURKEY BREAST, WATER, ISOLATED SOY PROTEIN PRODUCT [ISOLATED SOY PROTEIN, MODIFIED POTATO STARCH, CORN STARCH, CARRAGEENAN, SOY LECITHIN], OLIVE OIL, CHICKEN FLAVOR [MALTODEXTRIN, CHICKEN BROTH, SALT, FLAVORS], DEXTROSE, SALT, POTASSIUM CHLORIDE, POTASSIUM AND SODIUM PHOSPHATES, FLAVORINGS, SOY LECITHIN), GRAVY (WATER, MODIFIED CORN STARCH, CHICKEN GLACE [CHICKEN BROTH, COOKED CHICKEN, CHICKEN FAT, SALT, FLAVORINGS], CONTAINS 2% OR LESS OF: ONIONS, CHICKEN FLAVOR [CHICKEN BROTH, SALT, CHICKEN FAT], CHARDONNAY WINE, SALT, SOYBEAN OIL, NONFAT DRY MILK, SUGAR, CANOLA OIL, GARLIC, BUTTER [CREAM, SALT], SPICE, XANTHAN GUM, GUAR GUM).