Which food has less impact on blood sugar?

SLIDER: WATER, WHEAT FLOUR, PEA PROTEIN, OAT FIBER, VITAL WHEAT GLUTEN, SEA SALT, CONTAINS 2% OR LESS: ANNATTO EXTRACT, CALCIUM CHLORIDE, CARROT FIBER, CITRIC ACID, CITRUS FIBER, DRIED GARLIC, DRIED ONION, DRIED RED PEPPER SAUCE (CAYENNE RED PEPPERS, VINEGAR, SALT, GARLIC POWDER), FLAXSEED, GARLIC POWDER, LEAVENING (CREAM OF TARTAR, SODIUM BICARBONATE), MALTODEXTRIN, MEDIUM CHAIN TRIGLYCERIDES, METHYLCELLULOSE, MODIFIED CORN STARCH, MODIFIED FOOD STARCH, MODIFIED WHEAT STARCH, NATURAL FLAVORS, ONION JUICE CONCENTRATE, ONION POWDER, PALM OIL, PAPRIKA EXTRACT, RICE FLOUR, ROSEMARY EXTRACT, SALT, SODIUM ALGINATE, SPICE, SUGAR, TAPIOCA DEXTRIN, TORULA YEAST, YEAST EXTRACT, YELLOW CORN FLOUR. BUN: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, ENZYME, FOLIC ACID), WATER, SUGAR, SOYBEAN OIL, CONTAINS 2% OR LESS OF: YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID), SALT, MONOGLYCERIDES (WITH ASCORBIC ACID [VITAMIN C] AND CITRIC ACID [ANTIOXIDANTS]), CULTURED WHEAT FLOUR BLEND (WHEAT FLOUR, CULTURED WHEAT FLOUR), CALCIUM SULFATE, WHEAT STARCH, ASCORBIC ACID, ENZYMES, VEGETABLE PROTEINS, VEGETABLE OIL, DEXTROSE, MALTODEXTRINS, STARCH.