Which food has less impact on blood sugar?

CROISSANT: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, MALTED BARLEY FLOUR), WATER, MARGARINE (PALM OIL, WATER, SOYBEAN OIL, CONTAINS 2% OR LESS OF: SUGAR, SOYBEAN LECITHIN [SOY], MONOGLYCERIDES, POTASSIUM SORBATE AND CITRIC ACID [ADDED AS PRESERVATIVES], NATURAL FLAVOR, BETA CAROTENE [COLOR], VITAMIN A PALMITATE ADDED), SUGAR, CONTAINS 2% OR LESS OF: YEAST, SALT, WHEY, MODIFIED CORN STARCH, CALCIUM PROPIONATE (PRESERVATIVE), NATURAL AND ARTIFICIAL FLAVOR (DEXTROSE, SUGAR, MALTODEXTRIN, GUM ARABIC, MEDIUM CHAIN TRIGLYCERIDES), DOUGH CONDITIONER (WHEAT FLOUR, ASCORBIC ACID, ENZYMES). 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, PAPRIKA AND ANNATTO (COLOR), SODIUM PHOSPHATE, ACETIC ACID, ENZYMES, SORBIC ACID (PRESERVATIVE), SOY LECITHIN (ANTI-STICKING AGENT).