Premise: Fasole bătută or Fasole făcăluită (literally "mashed beans") or icre de fasole (roe of beans) is a beans-based paste. This dip is traditionally made by mashing boiled beans and mixed with vegetable oil adding some chopped onions. Some recipes call for garlic, chili pepper, lime/lemon juice and/or additional seasonings.
Hypothesis: Lime juice is sometimes added to fasole bătută recipes because of its acidity.