Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, ENZYME, FOLIC ACID], WATER, SOYBEAN OIL, YEAST, DEXTROSE, DOUGH CONDITIONER [WHEY, L-CYSTEINE, MONO-HYDROCHLORIDE], SALT), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), CHICKEN (CHICKEN BREAST WITH RIB MEAT, WATER, SEASONING (SALT, SUGAR, SEASONING {ONION POWDER, GARLIC POWDER, MALTODEXTRIN, CHILI POWDER (SALT, CUMIN, OREGANO, GARLIC, CHILI PEPPER, RED PEPPER, GRILL FLAVOR, CITRIC ACID)}), MODIFIED POTATO STARCH, SODIUM PHOSPHATE), SAUCE (WATER, WHEY, PARMESAN AND CHEDDAR CHEESE POWDER (PARMESAN AND CHEDDAR CHEESE (BUTTERMILK (PASTEURIZED MILK AND PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), WHEY, SALT, DISODIUM PHOSPHATE, SOYBEAN OIL, CITRIC ACID, SALT), MODIFIED FOOD STARCH, SALT, NATURAL FLAVORS, GARLIC POWDER, SPICES, CITRIC ACID, LESS THAN 2% TRICALCIUM PHOSPHATE ADDED TO PREVENT CAKING.), SWISS CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYME), COOKED DICED HAM AND WATER PRODUCT 35% OF WEIGHT IS ADDED INGREDIENTS (PORK, WATER, POTASSIUM LACTATE, DEXTROSE, SALT, CORN SYRUP SOLIDS, MODIFIED CORN STARCH, SODIUM PHOSPHATES, NATURAL FLAVORS, SMOKE FLAVORING, SODIUM ERYTHORBATE, SODIUM NITRITE), SEASONING BLEND (SPICES [OREGANO, PEPPER, BASIL, MALTODEXTRIN, ONION POWDER AND GARLIC POWDER, SOYBEAN OIL, AND PARSLEY]), PARSLEY, MINCED GARLIC.