Which food has less impact on blood sugar?

FLATBREAD (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, BREAD BASE [WHEAT GLUTEN, TAPIOCA STARCH, OAT FIBER, WHEAT PROTEIN ISOLATE, SUNFLOWER OIL, WHOLE WHEAT FLOUR, SEA SALT, SESAME FLOUR, 2% OR LESS OF: CALCIUM SULFATE, ENZYMES], CONTAINS LESS THAN 2% OF: RAW SUGAR, YEAST, SEA SALT, SUNFLOWER OIL, OLIVE OIL, NATURAL MOLD INHIBITOR [CULTURED WHEAT FLOUR, VINEGAR], SODIUM BICARBONATE, FUMARIC ACID, CALCIUM SULFATE, ASCORBIC ACID, ENZYMES), CAGE-FREE* EGGS (EGGS, WHOLE MILK, NON-GMO CORN STARCH, SEA SALT, WHITE PEPPER), ORGANIC SALSA (ORGANIC DICED TOMATOES [ORGANIC TOMATOES, ORGANIC TOMATO JUICE, SEA SALT, NATURALLY DERIVED CITRIC ACID, CALCIUM CHLORIDE], ORGANIC DICED ONIONS, ORGANIC JALAPENO PEPPERS, ORGANIC VINEGAR, ORGANIC LIME JUICE, ORGANIC SCALLIONS, ORGANIC CILANTRO, ORGANIC CORN STARCH, SEA SALT, ORGANIC GARLIC POWDER, ORGANIC CUMIN, ORGANIC BLACK PEPPER, ORGANIC CORIANDER, ORGANIC CHILI POWDER), UNCURED SMOKED BACON** (PORK, WATER, SEA SALT, SUGAR, CELERY POWDER), ORGANIC ROASTED RUSSET POTATOES (ORGANIC POTATOES WITH ORGANIC OLIVE OIL), MONTEREY JACK CHEESE (PASTEURIZED CULTURED MILK, SALT, ENZYMES), WHITE CHEDDAR CHEESE (PASTEURIZED CULTURED MILK, SALT, ENZYMES), ORGANIC WHITE CHEDDAR CHEESE SAUCE (WATER, ORGANIC CORN STARCH, SALT, ORGANIC CANE SUGAR, ORGANIC NATURAL CHEDDAR CHEESE FLAVOR, AND 2% OR LESS ORGANIC CANOLA OIL), ORGANIC SCALLIONS, ORGANIC CORN STARCH, ORGANIC JALAPENOS, SEA SALT, BLACK PEPPER.