Bread, pan dulce, sweet yeast bread: slice (average weight of 1 slice) to Grams
Quick answer
One slice (average weight of 1 slice) of bread, pan dulce, sweet yeast bread weighs 63 grams.
1 slice (average weight of 1 slice)63 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)