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, SEASONING BLEND [NONFAT DRY MILK, MODIFIED CORN STARCH, MALTODEXTRIN, SALT, BUTTERMILK SOLIDS {WHEY PROTEIN CONCENTRATE, BUTTERMILK POWDER, WHEY POWDER, DRIED CREAM (NON-FAT MILK SOLIDS, SODIUM CASEINATE)}, ONION POWDER, SPICES, DISODIUM INOSINATE AND DISODIUM GUANYLATE, GARLIC POWDER, SOY LECITHIN, XANTHAN GUM, CARRAGEENAN, LESS THAN 2% 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 OIL 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, OLIVE OIL, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, DOUGH CONDITIONERS (DIACETYL TARTARIC ACID ESTER OF MONO AND DIGLYCERIDES, WHEAT GLUTEN, SUGAR, DEXTROSE, WHEAT FLOUR, GUAR GUM, ACTIVE MALT FLOUR, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME, L-CYSTEINE), CITRIC ACID.