Which food has less impact on blood sugar?

CROISSANT FLATBREAD: FLOUR(WHEAT, MALTED BARLEY), WATER, SOYBEAN OIL, VEGETABLE SHORTENING(PALM OIL, SOY LECITHIN, ARTIFICIAL BUTTER FLAVOR, BETA CAROTENE), YEAST, SUGAR, SALT, LEAVENING(SODIUM BICARBONATE, MONOCALCIUM PHOSPHATE MONOHYDRATE, DICALCIUM PHOSPHATE DIHYDRATE), DOUGH CONDITIONERS(GUAR GUM, DIACETYL TARTARIC ACID ESTER OF MONO-AND DIGLYCERIDES, DEXTROSE, ENZYMES), CALCIUM PROPIONATE(PRESERVATIVE), NATURAL AND ARTIFICIAL FLAVORS, SODIUM METABISULFITE, AND SOY LECITHIN. TOPPING: WHOLE EGGS, PORK, WATER, COLBY CHEESE [ PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO(VEGETABLE COLOR)] , MONTEREY JACK CHEESE(PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), CONTAINS 2% OR LESS OF THE FOLLOWING: AUTOLYZED YEAST EXTRACT, CITRIC ACID, CORN STARCH, DEHYDRATED CHEDDAR CHEESE [ (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), WHEY, SALT] , DEHYDRATED CREAMER(SUNFLOWER OIL, CORN SYRUP SOLIDS, SODIUM CASEINATE, MONO AND DIGLYCERIDES, SOY LECITHIN), DEHYDRATED GARLIC, DEHYDRATED BUTTER FLAVOR [ NATURAL FLAVOR, WHEY, SALT, CORN SYRUP SOLIDS, BUTTER, GUAR GUM, BUTTERMILK, NONFAT DRY MILK, (ANNATTO AND TURMERIC)] , DEHYDRATED ONION, DEHYDRATED PARMESAN & ROMAN CHEESE(WHOLE COW'S MILK, SALT, CULTURES, ENZYMES), DEHYDRATED WHEY, DIPOTASSIUM PHOSPHATE, EXTRACTIVE OF PAPRIKA, LACTIC ACID(CONTAINS CALCIUM LACTATE), MODIFIED FOOD STARCH, NATAMYCIN(A NATURAL MOLD INHIBITOR), NONFAT DRY MILK, OLEORESIN TURMERIC, POTASSIUM CHLORIDE, POTATO STARCH AND POWDERED CELLULOSE(TO PREVENT CAKING), SALT, SKIM MILK, SOYBEAN OIL, SPICES, SUGAR, XANTHAN GUM.