Which food has less impact on blood sugar?

FLATBREAD (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, MOZZARELLA CHEESE [CULTURED MILK, SALT, ENZYMES], SOYBEAN OIL, PARMESAN AND ROMANO MADE FROM COW'S MILK CHEESE BLEND [CULTURED MILK, SALT, ENZYMES], SUGAR, ISOLATED OAT PRODUCT, YEAST, DOUGH CONDITIONER [GUAR GUM, CALCIUM CARBONATE, DATEM, WHEAT FLOUR, ASCORBIC ACID, ENZYMES], SALT, OREGANO), MUSHROOM BLEND (WHITE, PORTABELLA AND CRIMINI BROWN MUSHROOMS, WATER, SALT), SEASONED COOKED BEEF STEAK (BEEF, BEEF BROTH, POTASSIUM CHLORIDE, SODIUM PHOSPHATES, MALTODEXTRIN, YEAST EXTRACT, SALT, GARLIC JUICE, ONION JUICE, NATURAL FLAVORS), WATER, CHEDDAR CHEESE (CULTURED MILK, SALT, ENZYMES, ANNATTO [COLOR]), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (CULTURED PART-SKIM MILK, SALT, ENZYMES), SEASONING (CHEDDAR CHEESE [{CULTURED MILK, SALT, ENZYMES}, WHEY, SALT], WHEY, MODIFIED CORNSTARCH, CREAMER [SUNFLOWER OIL, CORN SYRUP SOLIDS, SODIUM CASEINATE, MONO & DIGLYCERIDES, SOY LECITHIN], SKIM MILK, NATURAL BUTTER FLAVOR [NATURAL FLAVOR, WHEY, SALT, CORN SYRUP SOLIDS, BUTTER, GUAR GUM, BUTTERMILK, SKIM MILK SOLIDS, ANNATTO COLOR, TURMERIC], PARMESAN AND ROMANO CHEESE [CULTURED COW'S MILK, SALT, ENZYMES], POTASSIUM CHLORIDE, POTASSIUM PHOSPHATE, AUTOLYZED YEAST EXTRACT, LACTIC ACID, DRIED ONION, DRIED GARLIC, XANTHAN GUM), 2% OR LESS OF SOYBEAN OIL, GARLIC POWDER, SPICE.