Breakfast bars bridge the gap between large homes and small. They're used for a quick morning bite in large homes, where they supplement a formal dining room and maybe even another casual kitchen table. Or, they might be the sole place to sit down and eat breakfast, lunch, and dinner in a small home:
My first apartment after college was a small studio with a breakfast bar only for sit-down eating. It was placed along one side of the small galley kitchen and it was used for quick breakfasts and casual dinners after work. Breakfast bars are appealing for homes of all sizes because they encourage gathering in the kitchen and make for a convenient perch for quick meals.
(Images: 1: Vintage Kitchens, 2: Sunset, 3: Corian, 4, 5: Ideal Home, 6: House to Home, 7: Keith Scott Morton / Country Living, 8: Jill Slater / The Kitchn, 9: Emily Minton Redfield / PointClickHome, 10: House to Home)