Which food has less impact on blood sugar?

CRUST (WATER, WHEAT FLOUR, WHITE WHOLE WHEAT FLOUR, CRUST MIX WITH KASHI SEVEN WHOLE GRAINS AND SESAME BLEND [WHEAT GLUTEN, WHOLE OAT FLOUR, OAT FIBER, OAT SYRUP SOLIDS, BARLEY MALT EXTRACT, WHOLE TRITICALE FLOUR, BROWN RICE FLOUR, WHOLE HARD RED WHEAT FLOUR, WHOLE RYE FLOUR, SALT, WHOLE BARLEY FLOUR, WHOLE BUCKWHEAT FLOUR, SESAME SEEDS], DEGERMED YELLOW CORN MEAL, GROUND FLAXSEED, YEAST, EXTRA VIRGIN OLIVE OIL, HONEY, WHEAT GLUTEN, WHEAT STARCH, GARLIC POWDER), SAUCE (WATER, TOMATO PASTE [TOMATOES], EXTRA VIRGIN OLIVE OIL, ROASTED GARLIC WITH LEMON JUICE, BALSAMIC VINEGAR, PARMESAN CHEESE [CULTURED PART-SKIM MILK, SALT, ENZYMES], ROMANO CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], DRIED CANE SYRUP, SALT, LEMON JUICE FROM CONCENTRATE [WATER, CONCENTRATED LEMON JUICE], BASIL, CORNSTARCH, GARLIC, BLACK PEPPER, XANTHAN GUM), CHEESE BLEND (MOZZARELLA CHEESE [PASTEURIZED PART-SKIM COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES]), BROCCOLI, ARTICHOKE, RED BELL PEPPERS, RED ONION.