Mini Chocolate Chip Streusel Muffins

muffin [sugar, bleached enriched wheat flour (flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, water, soybean oil, chocolate chips [sugar, chocolate liquor, cocoa butter, lecithin, cocoa, modified food starch, dextrose, vital wheat gluten, whey, salt, titanium dioxide, guar gum, sodium aluminum phosphate, sodium bicarbonate, sodium stearoyl lactylate, sodium propionate and potassium sorbate, invert sugar, datem, soy lecithin, sorbitan monostearate, polysorbate 60, beta carotene, artificial flavor, phosphoric acid, streusel [bleached enriched flour (wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, sugar, water, salt, nonfat dry milk, lecithin, sodium benzoate, artificial color, beta carotene, vitamin a palmitate, brown sugar, salt, natural and artificial vanilla flavor