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), WATER, CREAM, MARGARINE (SOYBEAN OIL, WATER, SALT, HYDROGENATED SOYBEAN OIL, MONOGLYCERIDES, SODIUM BENZOATE, SOY LECITHIN, MEDIUM CHAIN TRIGLYCERIDES, VITAMIN A PALMITATE, BETA CAROTENE [COLOR], VITAMIN D3 [CHOLECALCIFEROL], NATURAL FLAVOR), SOYBEAN OIL, SUGAR, SALT, NONFAT DRY MILK, MONOSODIUM GLUTAMATE, XANTHAN GUM, GUAR GUM, FLAVORING, SAUCE: WATER, SOYBEAN OIL, BROWN SUGAR, MODIFIED CORN STARCH, PAPRIKA, SALT, FLAVORING, GROUND RED PEPPER, DISTILLED VINEGAR, GARLIC POWDER, ONION POWDER, HOT CHICKEN PATTIES: CHICKEN BREAST WITH RIB MEAT, BREADING (BLEACHED WHEAT FLOUR, MODIFIED WHEAT STARCH, SPICES [INCLUDING CELERY SEED], SALT, SUGAR, BEET POWDER, DEXTROSE, LEAVENING [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE], ONION POWDER, GARLIC POWDER, PAPRIKA, SODIUM DIACETATE, YEAST EXTRACT, SPICE EXTRACTIVES, EXTRACTIVES OF PAPRIKA), WATER, BATTER (WATER, WHEAT FLOUR, MODIFIED CORN STARCH, WHEAT GLUTEN, SALT, SPICES [INCLUDING CELERY SEED], SUGAR, SODIUM DIACETATE, LEAVENING [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE], ONION POWDER, GARLIC POWDER, SPICE EXTRACTIVES, YEAST EXTRACT, EXTRACTIVES OF PAPRIKA, XANTHAN GUM), ISOLATED SOY PROTEIN, CONTAINS 2% OR LESS OF: SALT, SODIUM PHOSPHATE, AUTOLYZED YEAST EXTRACT, FLAVORINGS, CORN AND MOZZARELLA BLEND: CORN, PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, SKIM MILK, SALT, CULTURES, ENZYMES), PARSLEY.