Which food has less impact on blood sugar?

CROISSANT (WHITE WHOLE WHEAT FLOUR, ENRICHED WHEAT FLOUR[UNBLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINEMONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, MARGARINE [PALM OIL, WATER, SOYBEAN OIL, SUGAR, SOYBEAN LECITHIN {SOY}, MONOGLYCERIDES, MONO-DIGLYCERIDES, CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, NATURAL BUTTER FLAVOR, BETA CAROTENE {COLOR}, VITAMINA PALMITATE ADDED], SUGAR, WATER, WHOLE MILK, BROWN SUGAR, SALT, CORN STARCH, ENZYME, CONTAINS 2% OR LESS OF: SALT, NON FAT DRY MILK POWDER [NON FAT DRY MILK, WHEY], YEAST AND BAKING POWDER [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE] FOR LEAVENING, HONEY, MALT EXTRACT, DOUGHCONDITIONER [CALCIUM SULFATE, ASCORBIC ACID, ENZYMES], VITAL WHEAT GLUTEN, EGGS, MALT POWDER [MALTED BARLEY, DEXTROSE], CALCIUM PROPIONATE, POTASSIUM SORBATE ANDCITRIC ACID [PRESERVATIVES]), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE(PASTEURIZED PART SKIM MILK, CHEESE CULTURES, SALT, NATAMYCIN [A NATURAL MOLDINHIBITOR], ENZYMES, SOY LECITHIN [NON-STICKING AGENT]), PASTEURIZED PROCESSYELLOW AMERICAN CHEESE (CULTURED SKIM MILK AND MILK, POTASSIUM CITRATE, SODIUMCITRATE, PAPRIKA AND ANNATTO [COLOR], SALT, ENZYMES, SORBIC ACID [PRESERVATIVE], SUNFLOWER LECITHIN [ANTI-STICKING AGENT]).