Which food has less impact on blood sugar?

CRUST ((ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, ENZYME, FOLIC ACID), WATER, SOYBEAN OIL, PRE-MIX (GLUCONO DELTA LACTONE, SALT, SODIUM BICARBONATE, DOUGH CONDITIONER [WHEAT FLOUR, YEAST, WHEAT GLUTEN, CONTAINS 2% OR LESS OF ENZYME, ASCORBIC ACID, L. CYSTEINE, SOY OIL], CELLULOSE GUM, SODIUM PROPIONATE (PRESERVATIVE), WITH NOT MORE THAN 2% OF SOYBEAN OIL AND CALCIUM SILICATE [PROCESSING AIDS]), HIGH FRUCTOSE CORN SYRUP, YEAST, FLAVORED OIL BLEND (PALM OIL, SOYBEAN OIL, NATURAL GARLIC EXTRACT, ARTIFICIAL BUTTER FLAVOR, AND BETA CAROTENE (COLOR))), CHEESE BLEND (LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES.), POWDERED CELLULOSE (ADDED TO PREVENT CAKING), SEASONING (OREGANO, BASIL, RED PEPPER, PARSLEY)), SAUCE (WATER, TOMATOES, HERB AND SPICE BLEND (SUGAR, SALT, NATURAL SPICES AND HERBS, DEHYDRATED GARLIC, DEHYDRATED ONION AND SOYBEAN OIL)), PEPPERONI (PORK, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORINGS, SODIUM ASCORBATE, SODIUM NITRITE, BHA, BHT AND CITRIC ACID).