If you prefer a less-sweet option, you can omit the sugar in the strawberries.
Apple cider vinegar can be used in place of lemon juice to make vegan buttermilk.
Biscuit dough can also be made in a food processor. Add the ingredients in the order listed above. Be careful not to overmix the flour when you add the liquid.
Leftovers can be stored in an air-tight container at room temperature for up to 3 days or in the freezer for up to 3 months.