Which food has less impact on blood sugar?

CRUST (MALTED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR], WATER, SHORTENING FLAKE [PALM OIL, SOY LECITHIN, NATURAL BUTTER FLAVOR AND BETA CAROTENE {COLOR}], SOYBEAN OIL, YEAST, SUGAR, SALT, DOUGH CONDITIONER [BARLEY MALT EXTRACT, INACTIVE YEAST, ENZYMES, ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}], VITAL WHEAT GLUTEN), TOPPING (IMITATION MOZZARELLA BLEND [IMITATION MOZZARELLA {WATER, PALM OIL, MODIFIED POTATO STARCH, RENNET CASEIN, MODIFIED CORN STARCH, SODIUM CITRATE, SALT, SODIUM PHOSPHATE, NATURAL FLAVOR, CARRAGEENAN, LACTIC ACID, ARTIFICIAL COLOR}, MOZZARELLA {PASTEURIZED CULTURED REDUCED FAT MILK, SALT, ENZYMES}], PROVOLONE CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES, SMOKE FLAVORING], CHEESE BLEND [PARMESAN CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES}, ROMANO CHEESE MADE FROM COW'S MILK {PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES}, POWDERED CELLULOSE TO PREVENT CAKING}, POTASSIUM SORBATE {TO PROTECT FLAVOR}], SPICES, GARLIC POWDER, ONION POWDER), SAUCE (WATER, TOMATO PUREE [WATER, TOMATO PASTE], SEASONING [SALT, SPICES, SUGAR, DEHYDRATED GARLIC], FLAVOR BLEND [MALTODEXTRIN, DEXTROSE, NATURAL FLAVOR], SALT, MODIFIED CORN STARCH, SOYBEAN OIL, XANTHAN GUM).