Which food has less impact on blood sugar?

CHICKEN BREAST WITH RIB MEAT, POTATOES, WATER, ENRICHED BLEACHED WHEAT FLOUR (NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), BUTTER [CREAM, SALT, ANNATTO (COLOR)], BACON (CURED WITH: WATER, SALT, SUGAR, SODIUM ERYTHORBATE, SODIUM NITRITE, MAY ALSO CONTAIN DEXTROSE, HONEY, POTASSIUM CHLORIDE, SMOKE FLAVORING, SODIUM DIACETATE, SODIUM PHOSPHATE), RICE STARCH, DRIED WHEY, WHITE WHOLE WHEAT FLOUR, BARLEY FLOUR, SALT, ROAST CHICKEN, SOYBEAN OIL, YELLOW CORN FLOUR, SPICES, PAPRIKA EXTRACT, BUTTERMILK POWDER, ONION POWDER, DEXTROSE, ROMANO AND PARMESAN CHEESES (PASTEURIZED COWS' MILK, CHEESE CULTURES, SALT, ENZYMES), DRIED YEAST, DRIED PARSLEY, GARLIC POWDER, SPICE EXTRACT, ANNATTO EXTRACT, SUGAR, TURMERIC EXTRACT, WHITE PEPPER, NATURAL FLAVORINGS. PREBROWNED IN VEGETABLE OIL.