Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, CONTAINS 2% OR LESS OF: YEAST, SALT, OLIVE OIL, CANOLA OIL, SUGAR, WHEAT GLUTEN, SEMOLINA FLOUR, VINEGAR, GROUND MILLET, NATURAL FLAVOR, GUAR GUM, SUNFLOWER OIL, ENZYMES, CLARIFIED BUTTER, CULTURED NONFAT MILK), TOMATO BELL PEPPER SAUCE (TOMATO PUREE, RED BELL PEPPER, ONIONS, SUGAR, SUNFLOWER OIL, SALT, CORN STARCH, GARLIC, EXTRA VIRGIN OLIVE OIL, XANTHAN GUM, CITRIC ACID, SPICES, DEHYDRATED GARLIC, DEHYDRATED ONION, DEHYDRATED BASIL, DEHYDRATED OREGANO), UNCURED PEPPERONI NO NITRATES OR NITRITES ADDED EXCEPT NATURALLY OCCURRING IN SEA SALT AND CULTURED CELERY POWDER (PORK, BEEF, SEA SALT, WATER, CONTAINS 2% OR LESS OF: SPICE, TURBINADO SUGAR, NATURAL HARDWOOD SMOKED SUGAR, CULTURED CELERY POWDER, CHERRY JUICE POWDER, LIME JUICE CONCENTRATE, OLEORESIN OF PAPRIKA, LACTIC ACID STARTER CULTURE, ROSEMARY EXTRACT), LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), FONTINA CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), NATAMYCIN (A MOLD INHIBITOR)