Which food has less impact on blood sugar?

ICRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SOYBEAN OIL, SUGAR, YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: LEAVENING [CORN STARCH, SODIUM ALUMINUM PHOSPHATE AND/OR SODIUM ALUMINUM SULFATE, SODIUM BICARBONATE], SALT, ENZYME, ASCORBIC ACID, WHEAT STARCH, DEGERMED CORN MEAL, SOY LECITHIN), SAUCE (WATER, TOMATO CONCENTRATE, SUGAR CONTAINS 2% OR LESS OF SPICES BASIL, SALT, SOYBEAN OIL, CITRIC ACID, DEHYDRATED ONION, XANTHAN GUM GARLIC POWDER), LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI MADE WITH PORK, CHICKEN, AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM ASCORBATE FLAVORING, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PROVOLONE CHEESE PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), PARMESAN AND ROMANO CHEESE BLEND (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET], ROMANO CHEESE MADE WITH COW'S MILK [PASTEURIZED MILK, CHEESE CULTURES, SALT, RENNET], POWDERED CELLULOSE [ANTI-CAKING], SALT), OREGANO, GRANULATED GARLIC, BASIL.