Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, YELLOW CORNMEAL, CONTAINS 2% OR LESS OF: SOYBEAN OIL, SUGAR, YEAST, SALT, VITAL WHEAT GLUTEN, LEAVENING [CORN STARCH, SODIUM ALUMINUM PHOSPHATE, SODIUM BICARBONATE], DIASTATIC MALT POWDER [MALTED BARLEY FLOUR, WHEAT FLOUR, TAPIOCA DEXTRIN AND/OR DEXTROSE], DOUGH CONDITIONERS [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, CONTAINS ONE OR MORE OF THE FOLLOWING: GLUTEN, ENZYMES, ASCORBIC ACID, L-CYSTEINE], DOUGH STRENGTHENER [ENRICHED WHEAT FLOUR {WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, ENZYMES]), SAUCE (WATER, TOMATO PASTE, SOYBEAN OIL, SEASONING [SALT, SPICES, GARLIC POWDER, SOYBEAN OIL, SILICON DIOXIDE {ANTI-CAKING}], XANTHAN GUM), LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), COOKED ITALIAN SAUSAGE (PORK, SPICES AND FLAVORINGS, WATER, SALT, SUGAR, SODIUM PHOSPHATES, PAPRIKA, CARAMEL COLOR), PEPPERONI MADE WITH PORK, CHICKEN AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, CONTAINS 2% OR LESS OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM ASCORBATE, FLAVORING, SODIUM NITRITE, PRESERVATIVES [BHA, BHT, CITRIC ACID]), BELL PEPPERS (GREEN, RED), ONIONS, BLACK OLIVES (RIPE OLIVES, SALT, FERROUS GLUCONATE [TO STABILIZE COLORI).