Flint Grenki Tomato Spice. Crunchy rye Flint Grenki are the perfect snack for a movie night or a fun gathering with friends. Energy value – 1670.5 kJ (395.0 kcal ), f ats – 6.6 g, of which saturated – 0.8 g, carbohydrates – 75.9 g, of which sugars – 7.2 g, proteins – 8.0 g, salt – 1.6 g.