Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ASCORBIC ACID], WATER, SOYBEAN OIL, YEAST, BREAD CRUMBS [ENRICHED WHEAT FLOUR {FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC AID}, SUGAR, YEAST, SALT], SUGAR, SALT, CULTURED WHEAT STARCH, OLIVE OIL, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, HONEY, L-CYSTEINE, CITRIC ACID), SAUCE(TOMATO PUREE [WATER, TOMATO PASTE], SALT, SUGAR, SPICE, CITRIC ACID, GARLIC POWDER, ONION POWDER), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI (PORK AND BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORINGS, SODIUM ASCORBATE, SODIUM NITRITE, BHA [PRESERVATIVE), BHT [PRESERVATIVE], CITRIC ACID [PRESERVATIVE]), CONTAINS 2% OR LESS OF: GRATED PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), GRATED ROMANO CHEESE (ROMANO CHEESE MADE FROM COW'S MILK [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE [ANTI-CAKING AGENT]), DEHYDRATED GARLIC, SPICES.