Preheat oven to 400F. Line a baking sheet with parchment paper
In a large bowl, mix together the flour, sugar, baking powder, baking soda, and salt. Drop the small squares of butter into the dry ingredients and cut in with a fork, pastry cutter, or even your hands until the butter is in small pea-sized balls and the flour is crumbly.
In a small bowl, mix the non-dairy milk and lemon juice. It will curdle once you mix it. Add this to the dry ingredients and mix until just combined, being careful not to over-mix.
Carefully fold in the strawberries and chocolate, again mixing only as much as necessary so the butter doesn't warm up too much.
Lightly flour a clean work surface or cutting bowl and place the dough on top. Use your hands to form the dough into a circle, about 1 inch thick. Cut dough with a knife or pizza cutter into 8 triangles. Space them out on the prepared baking sheet.
Bake for 14-17 minutes, until they have risen slightly and are firm on the tops. Eat immediately or store in an air-tight container for a few days.