Which food has less impact on blood sugar?

TOPPINGS: CHEESES (LOW MOISTURE MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO {COLOR}]), RANCH SAUCE (WATER, RANCH SEASONING BLEND [NONFAT MILK, MODIFIED CORN STARCH, MALTODEXTRIN, SALT, BUTTERMILK, ONION POWDER, SPICES, DISODIUM INOSINATE AND DISODIUM GUANYLATE, GARLIC POWDER, SOY LECITHIN, XANTHAN GUM, CARRAGEENAN, FULLY REFINED SOYBEAN OIL {ANTI-DUSTING AGENT}], SOYBEAN OIL), FULLY COOKED CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CHICKEN FLAVOR [{DEHYDRATED CHICKEN BROTH, CHICKEN POWDER, NATURAL FLAVOR}, CARRAGEENAN, SALT, CORNSTARCH, SPICE]), FULLY COOKED BACON TOPPING (CURED WITH: WATER, SALT, SUGAR, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE), CARAMELIZED ONIONS (ONION, RAPESEED OR SUNFLOWER OIL), PARSLEY. CRUST: ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SEMOLINA, DEXTROSE, SOYBEAN OIL, PALM OIL, SALT, YEAST, CULTURED WHEAT STARCH, YELLOW CORNMEAL, OLIVE OIL, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, DOUGH CONDITIONERS (DATEM, WHEAT GLUTEN, SUGAR, DEXTROSE, WHEAT FLOUR, GUAR GUM, ACTIVE MALT FLOUR, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME, L-CYSTEINE), NATURAL HICKORY SMOKE FLAVORING, CITRIC ACID.