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, OAT FIBER, YEAST, CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: SOYBEAN OIL, SALT, EGGS, CALCIUM PROPIONATE (PRESERVATIVE), POTASSIUM SORBATE (PRESERVATIVE), HYDROXYPROPYL METHYLCELLULOSE, DEXTROSE, SUGAR, MALTODEXTRIN, NATURAL AND ARTIFICIAL FLAVORS, ACACIA (GUM ARABIC), CAPRIC AND CAPRYLIC ACID TRIGLYCERIDE BLEND. PORK SAUSAGE PATTY: PORK, WATER, CONTAINS 2% OR LESS OF: SALT, SUGAR, SODIUM PHOSPHATE, SPICE, DEXTROSE, FLAVORING, BHA, PROPYL GALLATE, CITRIC ACID, CARAMEL COLOR. EGG PATTY: WHOLE EGGS, WATER, DRY WHOLE MILK, SOYBEAN OIL, SALT, XANTHAN GUM, CITRIC ACID. PASTEURIZED PROCESS AMERICAN CHEESE: CULTURED MILK AND SKIM MILK, CREAM, SODIUM CITRATE, SALT, ANNATTO (FOR COLOR), SODIUM PHOSPHATE, SORBIC ACID (PRESERVATIVE), ACETIC ACID, ENZYMES, SOY LECITHIN (NON-STICKING AGENT).