Which food has less impact on blood sugar?

CROISSANT (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, MARGARINE [PALM OIL, WATER, SOYBEAN OIL, SUGAR, SOY LECITHIN, MONO- AND DIGLYCERIDES, POTASSIUM SORBATE {PRESERVATIVE}, CITRIC ACID {PRESERVATIVE}, NATURAL AND ARTIFICIAL FLAVOR, BETA-CAROTENE COLOR, VITAMIN A PALMITATE], HIGH FRUCTOSE CORN SYRUP, CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: YEAST, SALT, WHEY, CALCIUM PROPIONATE [PRESERVATIVE], CALCIUM SULFATE, DEXTROSE, SUGAR, WHEAT FLOUR, MALTODEXTRIN, ENZYMES, NATURAL AND ARTIFICIAL FLAVORS, ASCORBIC ACID ADDED AS A DOUGH CONDITIONER, ACACIA [GUM ARABIC], CALCIUM PHOSPHATE, CAPRIC ACID AND CAPRYLIC ACID TRIGLYCERIDE BLEND), SAUSAGE PATTY (PORK, WATER, SALT, SPICES, DEXTROSE, SUGAR), EGG PATTY (WHOLE EGGS, WHEY, SOYBEAN OIL, NONFAT MILK, CONTAINS 2% OR LESS OF THE FOLLOWING: MODIFIED FOOD STARCH, SALT, XANTHAN GUM, CITRIC ACID, NATURAL BUTTER FLAVOR), PASTEURIZED PROCESS AMERICAN CHEESE (MILK, WATER, CHEESE CULTURE, CREAM, SALT, SODIUM CITRATE, POTASSIUM CITRATE, SODIUM PYROPHOSPHATE, SORBIC ACID [PRESERVATIVE], SODIUM PHOSPHATE, CITRIC ACID, COLOR ADDED, SOY LECITHIN, ENZYMES).