Which food has less impact on blood sugar?

CRUST: WHOLE WHEAT FLOUR, ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON [REDUCED], THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SOYBEAN OIL, YEAST, SUGAR, SALT, DOUGH CONDITIONER (ENRICHED WHEAT FLOUR, [NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], ENZYMES), WHEAT GLUTEN, BAKING POWDER, SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE. MEATBALLS: BEEF, CHICKEN, WATER, TEXTURED SOY FLOUR (SOY FLOUR), TOASTED WHEAT CRUMBS (WHEAT FLOUR, SALT, TORULA YEAST), SEASONING (SUGAR, SALT BLEND [SALT, POTASSIUM CHLORIDE], DEHYDRATED ONION AND GARLIC, SPICES, YEAST EXTRACT, PARSLEY FLAKES, VEGETABLE OIL), PARMESAN CHEESE (COWS MILK, RENNET, SALT), ROMANO CHEESE (PASTEURIZED SHEEPS MILK, CULTURES, RENNET, SALT), EGGS, PARSLEY FLAKES. TOMATO SAUCE: WATER, CONCENTRATED CRUSHED TOMATOES, SALT, ROMANO CHEESE (PASTEURIZED COWS MILK, CHEESE CULTURES, SALT, ENZYMES AND POWDERED CELLULOSE (ANTI-CAKING AGENT), SOYBEAN OIL, CANE SUGAR, OLIVE OIL, SPICES, GARLIC POWDER. ISOLATED SOY PROTEIN WITH LESS THAN 2% LECITHIN. TOPPING: SOYBEAN OIL, PARMESAN CHEESE (PARMESAN CHEESE (PASTEURIZED PART SKIM MILK, CHEESE CULTURES, ALT, ENZYMES], AND POWDERED CELLULOSE [ANTI-CAKING AGENT], DEHYDRATED GARLIC SPICES.