Which food has less impact on blood sugar?

TOPPINGS: SAUCE (WATER, CREAMY ROASTED GARLIC SAUCE MIX [WHOLE MILK POWDER, BUTTERMILK SOLIDS {WHEY SOLIDS, BUTTERMILK, DRIED CREAM}, MODIFIED FOOD STARCH {CORN}, GARLIC POWDER, SALT, MALTODEXTRIN, LECITHIN {SOY}, XANTHAN GUM, SPICE, CANOLA OIL, NATURAL FLAVORS, CONTAINS LESS THAN 2% CALCIUM SILICATE AND SILICON DIOXIDE {ANTICAKING}]), LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), FULLY COOKED GRILL MARKED 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), TOMATOES, SPINACH, FULLY COOKED BACON TOPPING (BACON CURED WITH WATER, SALT, SODIUM NITRITE. MAY CONTAIN SUGAR, DEXTROSE, BROWN SUGAR, SMOKE FLAVORING, FLAVORINGS, POTASSIUM CHLORIDE, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM ASCORBATE), GRATED PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], CELLULOSE [ANTI-CAKING]). 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.