One large egg fried sunny side up in butter provides approximately 80 calories, 5.6 g protein, 6.2 g fat, and 0.3 g carbohydrates. For two eggs, the nutritional values will be 160 calories, 11.2 g protein, 12.4 g fat and 0.6 g carbohydrates. Precise nutrition fact may vary, depending on egg sizes and cooking fats used.