Which food has less impact on blood sugar?

TILAPIA (FISH, WATER, SODIUM TRIPOLYPHSOPHATE TO RETAIN MOISTURE, SALT), BREADING (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], ROASTED DEHYDRATED GARLIC, SALT, DAIRY PRODUCT SOLIDS, PALM OIL, MALTODEXTRIN, YEAST EXTRACT, NATURAL AND ARTIFICIAL FLAVORS, CHIVES, WHEY SOLIDS, YEAST, MODIFIED BUTTER OIL AND DEHYDRATED BUTTER, SODIUM CASEINATE, DIPOTASSIUM PHOSPHATE, MALTED BARLEY FLOUR, MONO AND DIGLYCERIDES, GUAR GUM, ASCORBIC ACID, ANNATTO (COLOR), TURMERIC (COLOR), CARAMEL COLOR, SODIUM HEXAMETAPHOSPHATE), FLOUR PREDUST (BLEACHED WHEAT FLOUR, MODIFIED POTATO STARCH, SALT, GARLIC POWDER, ONION POWDER), WATER, SOYBEAN OIL, BATTER MIX (ENRICHED WHEAT FLOUR [ENRICHED WITH NIACIN, FERROUS SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], MODIFIED FOOD STARCH, SUGAR, SALT, DRIED WHOLE EGGS, NONFAT DRIED MILK, WHEY, LEAVENING [SODIUM BICARBONATE, SODIUM ALUMINIUM PHOSPHATE], SOYBEAN OIL, DEXTROSE, OLEORESIN PAPRIKA, DRY SOY LECITHIN, SPICE), BATTER MIX (WHITE CORN FLOUR, MODIFIED FOOD STARCH, SALT, LEAVENING [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE], SPICE), PARMESAN CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES).