Which food has less impact on blood sugar?

CRUST: ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CONTAINS 2% OR LESS OF SOYBEAN OIL (WITH CITRIC ACID ADDED AS A PRESERVATIVE), PALM OIL, YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID), BAKING POWDER (CORN STARCH, SODIUM ALUMINUM PHOSPHATE, SODIUM BICARBONATE), SALT, SUGAR, DEGERMED WHITE CORN MEAL, GARLIC POWDER, YEAST, DOUGH CONDITIONER (WHEAT FLOUR, ASCORBIC ACID, ENZYMES). FILLING: COOKED MEATBALLS (BEEF, PORK, WATER, TEXTURED VEGETABLE PROTEIN [SOY FLOUR, CARAMEL COLOR], BREAD CRUMBS [WHEAT FLOUR, SUGAR, SALT, YEAST, CANOLA OIL], ROMANO CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], SALT, FLAVORINGS, DRIED WHOLE EGGS, PARSLEY, SPICES, MONOSODIUM GLUTAMATE, BROWN SUGAR, DISODIUM INOSINATE AND DISODIUM GUANYLATE), PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES), PEPPERONI (PORK AND BEEF, SALT, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, BHA, BHT, CITRIC ACID [TO PROTECT FLAVOR]. MAY CONTAIN DEXTROSE, NATURAL FLAVORING, NATURAL SMOKE FLAVORING, SODIUM ASCORBATE [VITAMIN C], SPICES, GARLIC POWDER, SUGAR), RICOTTA CHEESE (WHEY, WHOLE MILK, CREAM, VINEGAR, AND XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM [STABILIZERS]), MARINARA SAUCE (CRUSHED TOMATOES [WATER, CONCENTRATED CRUSHED TOMATOES], TOMATO PUREE [WATER, TOMATO PASTE], DICED TOMATOES, SUGAR, SALT, SOYBEAN OIL, SPICES FOOD CORN MODIFIED, PARMESAN CHEESE FLAVOR [PARMESAN CHEESE {MILK, CHEESE CULTURES, SALT, ENZYMES}, WATER, DISODIUM PHOSPHATE, ENZYMES], GARLIC, ONION POWDER, GRANULATED GARLIC, CITRIC ACID), GUAR GUM. TOPPING: PARMESAN & ROMANO CHEESE BLEND (PARMESAN CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], ROMANO CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], POWDERED CELLULOSE/STARCH BLEND ADDED TO PREVENT CAKING), PARSLEY.