Which food has less impact on blood sugar?

CRUST (FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR], WATER, WHEAT SOURDOUGH [FERMENTED WHEAT FLOUR], YEAST STARTER, SALT, INACTIVE YEAST, POTASSIUM CITRATE, ENZYMES, XANTHAN GUM, GRANULATED SUGAR, SEA SALT, NONFAT DRY MILK [PASTEURIZED MILK], EXTRA VIRGIN OLIVE OIL, YEAST, ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CONTAINS 2% OR LESS OF THE FOLLOWING: ASCORBIC ACID, SOYBEAN OIL), MOZZARELLA CHEESE (PASTEURIZED MILK, SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), PIZZA SAUCE (FRESH TOMATOES, EXTRA VIRGIN OLIVE OIL, SUNFLOWER OIL, SALT, OREGANO, BLACK PEPPER, GRANULATED GARLIC, NATURALLY DERIVED CITRIC ACID), SAUSAGE (PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, DRIED GARLIC, PAPRIKA, PAPRIKA EXTRACT, ANNATTO EXTRACT, SUGAR, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE SOLIDS, LEMON OIL, FLAVORING]), GRATED PARMESAN-ROMANO CHEESE BLEND (PASTEURIZED PART SKIM MILK, PASTEURIZED SHEEP'S MILK, CHEESE CULTURE, SALT, ENZYMES, POWDERED CELLULOSE, NATAMYCIN [A NATURAL MOLD INHIBITOR]), OREGANO, BASIL.