Mix together eggs, butter, cream, and water. Mix together flour and salt. Whisk wet mixture into flour until smooth. Fold in egg whites and let rest for 15 minutes. Place a nonstick pan over medium heat lightly brush with oil. Place 1 ounce of batter in pan and saute both sides until lightly brown. Repeat with remaining batter. For the filling, melt the butter in a large saute pan and add the garlic. When the garlic browns slightly, add the spinach. Saute until spinach is cooked and let cool. Mix with remaining ingredients. Place 2 tablespoons of filling in each pancake and roll them up. Place rolls in 400-degree oven for 4 minutes. Remove from oven and serve.