Which food has less impact on blood sugar?

UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, BEEF STEAK SLICED (BEEF, WATER, DEXTROSE, SODIUM PHOSPHATE, MODIFIED CORN STARCH, SALT, AUTOLYZED YEAST, HYDROLYZED CORN PROTEIN, COATED WITH: DEXTROSE, SODIUM CITRATE, SALT, CARAMEL COLOR, SODIUM DIACETATE, SPICES, FLAVORING [GARLIC AND ONION POWDER], PAPRIKA, HYDROLYZED CORN PROTEIN, MALTODEXTRIN, GRILL FLAVOR [FROM SUNFLOWER OIL], MODIFIED CORN STARCH, CORN SYRUP SOLIDS, NATURAL SMOKE FLAVOR, GUAR GUM), PROVOLONE CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT AND ENZYMES), MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT AND ENZYMES), RICOTTA CHEESE (PASTEURIZED MILK, WHEY, VINEGAR, SALT), ONION STRIPS, GREEN PEPPERS DICED, ROMANO CHEESE GRATED (PASTEURIZED SHEEP'S MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE ADDED TO PREVENT CAKING), SUGAR, SALT, OLIVE OIL, YEAST, SOYBEAN OIL, PARSLEY, DOUGH CONDITIONER BLEND (WHEAT FLOUR, MALTED BARLEY FLOUR, ENZYMES, ASCORBIC ACID), PARMESAN CHEESE GRATED (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES AND POWDERED CELLULOSE ADDED TO PREVENT CAKING), OREGANO, MINCED GARLIC, BLACK PEPPER.