DNA Tribes is correct that siblings can and do have very diverse DNA. Your autosomal DNA is a random subset of your mother's and father's DNA (50% from each parent). Two siblings will not have the same results for the same reason that they do not look exactly the same. They do not get the exact same 50% from each parent. Even identical twins don't have exactly the same DNA (only almost exactly the same).
Calorie and Nutrition information for popular products from Steak n Shake: Per 1 shake - Calories: 380kcal | Fat: 12.00g | Carbs: 63.00g | Protein: 11.00g. Per 1 shake - Calories: 890kcal | Fat: 29.00g | Carbs: 140.00g | Protein: 25.00g. Per 1 shake - Calories: 700kcal | Fat: 23.00g | Carbs: 111.00g | Protein: 18.00g.
One restaurant's 1.6 oz. churro has 170 calories and about 8 g of fat. Additionally, this churro contains about 200 mg of calcium and 140 mg of sodium, according to Calorie King.