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); 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), CONTAINS: MILK; PASTEURIZED PREPARED CHEESE PRODUCT (PASTEURIZED PART-SKIM MILK, WATER, MILK PROTEIN CONCENTRATE, MILK FAT, CONTAINS LESS THAN 2% OF THE FOLLOWING: SALT, CHEESE CULTURE, SODIUM CITRATE, SORBIC ACID AS A PRESERVATIVE, APOCAROTENOL [COLOR], ENZYMES, CELLULOSE POWDER ADDED TO PREVENT CAKING).