Which food has less impact on blood sugar?

BISCUIT {BISCUIT MIX [ENRICHED FLOUR BLEACHED (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), HYDROGENATED PALM KERNEL OIL, LEAVENING (BAKING SODA, SODIUM ALUMINUM PHOSPHATE, MONOCALCIUM PHOSPHATE), PARTIALLY HYDROGENATED SOYBEAN AND COTTONSEED OIL, SALT, BUTTERMILK, DEXTROSE, SOY FLOUR, EGG], WATER, WHEAT GLUTEN}, FILLING {WATER, GRAVY MIX [FOOD STARCH-MODIFIED, MALTODEXTRIN, ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), PALM OIL, SALT, CORN SYRUP SOLIDS, PARTIALLY HYDROGENATED SOYBEAN AND/OR COTTONSEED OIL, SUGAR, CONTAINS LESS THAN 2% OF: BLACK PEPPER, BACON FAT (WITH TBHQ), SODIUM CASEINATE (A MILK DERIVATIVE), HYDROLYZED VEGETABLE PROTEIN (CORN, SOY AND/OR WHEAT), DIPOTASSIUM PHOSPHATE, MONOGLYCERIDES, AUTOLYZED YEAST EXTRACT, MONO AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVOR, SODIUM CITRATE, POTASSIUM CHLORIDE, CARRAGEENAN, DISODIUM GUANYLATE, DISODIUM INOSINATE, COLOR ADDED], FULLY COOKED PORK SAUSAGE CRUMBLE [PORK, WATER, SEASONING (SEA SALT, CANE SUGAR, NATURAL FLAVORINGS, SPICES), NATURAL FLAVOR], MODIFIED FOOD STARCH, WHEY PROTEIN CONCENTRATE}.