Which food has less impact on blood sugar?

POTATOES, WATER, CORN, COOKED BREADED CHICKEN BREAST CHUNKS (CHICKEN BREAST WITH RIB MEAT, WATER, STARCH AND SALT. BREADED WITH: WHEAT FLOUR, DEXTROSE, SALT, RICE FLOUR, LEAVENING [CREAM OF TARTAR, SODIUM BICARBONATE], SPICE, YEAST, EXTRACTIVE OF PAPRIKA. PREDUSTED AND BATTERED WITH: WATER, WHEAT FLOUR, MODIFIED CORN STARCH, YELLOW CORN FLOUR, SALT, CHICKEN FAT, DEXTROSE, NONFAT MILK, XANTHAN GUM, SPICE EXTRACTIVES, BREADING SET IN SOYBEAN OIL), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO [VEGETABLE COLOR]), CHICKEN FAT, CHICKEN STOCK, CHICKEN BASE (COOKED CHICKEN WITH NATURAL JUICES, SALT, MALTODEXTRIN, CHICKEN FAT, SUGAR, DRIED WHEY, NATURAL FLAVORING [DEHYDRATED ONION AND SPICE EXTRACTIVES], TURMERIC), CORN STARCH, NONFAT DRY MILK, WHEAT FLOUR, SALT, SPICE, ONION POWDER, FRUIT JUICE (COLOR).