Which food has less impact on blood sugar?

PIZZA CRUST (WHEAT FLOUR [ENRICHED BLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WHOLE WHEAT FLOUR], WATER, SUGAR, GLYCERIN, SOYBEAN OIL, CONTAINS 2% OR LESS OF: YEAST, VITAL WHEAT GLUTEN, MONO- & DIGLYCERIDES, SALT, XANTHAN GUM, CALCIUM PROPIONATE, SORBIC ACID, NATURAL AND ARTIFICIAL FLAVOR, ENZYME), CONTAINS: WHEAT; PIZZA SAUCE (WATER, TOMATO PASTE, SUGAR, CONTAINS LESS THAN 2% OF FOOD STARCH MODIFIED, GARLIC POWDER, SALT, ONION POWDER, CITRIC ACID, SPICE, XANTHAN GUM, SODIUM BENZOATE AND POTASSIUM SORBATE [ADDED AS PRESERVATIVES], DRIED BASIL, NATURAL FLAVOR); PEPPERONI MADE WITH PORK AND CHICKEN (PORK, MECHANICALLY SEPARATED CHICKEN, SALT, CONTAINS 2% OR LESS OF PORK STOCK, SPICES [INCLUDING MUSTARD], DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM ASCORBATE, SODIUM NITRITE, BHA, BHT, CITRIC ACID); MOZZARELLA PASTEURIZED PREPARED CHEESE PRODUCT (PASTEURIZED PART-SKIM MILK, WATER, MILK PROTEIN CONCENTRATE, MILK FAT, CONTAINS LESS THAN 2% OF SALT, CHEESE CULTURE, SODIUM CITRATE, SORBIC ACID AS A PRESERVATIVE, ENZYMES, CELLULOSE POWDER ADDED TO PREVENT CAKING)