Homemade Flaxseed Bread

Ingredients
Sifted flour: 500 grams
Flax seeds: 2 tablespoons
Salt: 1 teaspoon
Dry yeast: 8 grams
Sugar: 2 tablespoons
Warm milk: 350 ml
Baking powder: 1 teaspoon
Apple cider vinegar: 1 tablespoon
Egg: 1
Sunflower oil: 25 ml
Butter: 50 grams (softened)
Directions
Prepare the Yeast Mixture:
In a small bowl, mix the dry yeast with 1 tablespoon of sugar and half of the warm milk. Let it sit for about 10 minutes until it becomes frothy.

Mix Dry Ingredients:
In a large mixing bowl, combine the sifted flour, flax seeds, salt, and baking powder.
Combine Wet Ingredients:
In another bowl, whisk together the remaining warm milk, apple cider vinegar, egg, sunflower oil, and the remaining sugar.
Form the Dough:
Pour the wet ingredients into the dry ingredients and mix until well combined.
Add the frothy yeast mixture and continue to mix until a dough forms.
Knead the dough on a floured surface for about 10 minutes until it becomes smooth and elastic.
First Rise:
Place the dough in a greased bowl, cover it with a damp cloth, and let it rise in a warm place for about 1 hour or until it has doubled in size.
Shape the Dough: