Which food has less impact on blood sugar?

TORTILLA (UNBLEACHED, ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE {VITAMIN B1}, RIBOFLAVIN {VITAMIN B2}, FOLIC ACID], WATER, PALM OIL, SALT, MONO- AND DIGLYCERIDES, WHEAT FLOUR, SODIUM BICARBONATE, PRESERVATIVES [CALCIUM PROPIONATE, POTASSIUM SORBATE], SODIUM ALUMINUM PHOSPHATE SODIUM ALUMINUM SULFATE, CORN STARCH, FUMARIC ACID, CALCIUM SULFATE, 2% OR LESS OF: SOYBEAN OIL, MONOCALCIUM PHOSPHATE, HYDROGENATED SOYBEAN OIL, SODIUM METABISULFITE, ENZYMES); GRILLED CHICKEN (CHICKEN BREAST (BONELESS , SKINLESS CHICKEN BREAST MEAT); BLENDED OIL (OLIVE, SOY); ROTISSERIE SEASONING (SALT, ONION, SPICES, PAPRIKA, GARLIC & CITRIC ACID); ITALIAN SEASONING [OREGANO, THYME, BASIL, SAGE, ROSEMARY, SAVORY, MARJORAM]); SPINACH: AVOCADO SPREAD (HASS AVOCADO, SEA SALT, ONION, LIME JUICE CONCENTRATE, GARLIC, SODIUM ALGINATE, XANTHAN GUM); BACON (CURED WITH: WATER, SALT, SUGAR, NATURAL SMOKE FLAVOR SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE)