Which food has less impact on blood sugar?

FOR GLUTEN FREE BREAD: WATER, BROWN RICE FLOUR, TAPIOCA STARCH, POTATO STARCH, CANOLA OIL, PSYLLIUM POWDER, EGG WHITES, ORGANIC EVAPORATED CANE SUGAR, TEFF FLOUR, SEA SALT, FLAX SEED, YEAST, XANTHAN GUM, GUAR GUM. FOR FILLING: UNCURED HICKORY SMOKED HAM. NO NITRATES OR NITRATES ADDED EXCEPT THOSE NATURALLY OCCURRING IN SEA SALT, NATURAL FLAVORINGS AND CELERY POWDER. (HAM, WATER, HONEY, SEA SALT, NATURAL FLAVORINGS, TURBINADO SUGAR, CELERY POWDER, SODIUM CARBONATE), ALFREDO SAUCE (CREAM CHEESE (PASTEURIZED, CULTURED MILK AND AND CREAM, SALT, STABILIZER (XANTHAN GUM AND OR CAROB BEAN AND OR GUAR GUMS)), PASTEURIZED CREAM (MILK), UNSALTED BUTTER (CREAM, (MILK), NATURAL FLAVOR), SEA SALT, GARLIC POWDER, BLACK PEPPER), CHEDDAR CHEESE PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO (COLOR)), MONTEREY JACK CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), POWDERED CELLULOSE, CORN STARCH.