How do I make homemade breastfeeding lactation cookies?

I am using this recipe. Can make quite a big batch! Once they are baked they are soft cookies like those from subway! Ingredient - 2 Tablespoon Flax Seed Mill - 1/4 Cup water - 3/4 Cup white sugar - 1/2 Cup brown sugar - 3 eggs - 2 Teaspoon vanilla extract - 2 Cup flour - 1/4 Cup brewer's yeast - 1 Teaspoon baking soda - 1/2 Teaspoon salt - 3 Cup Rolled oats - 2 Cup M&M's or Chocolate chip Direction 1. Preheat oven to 350 degrees 2. Mix flax seed mill and water and set aside 3. Cream together butter, white sugar and brown sugar. 4. Add vanilla extract and eggs. Mix. 5. Mix in the flax seed mill. 6. Add brewer's yeast, flower, salt and baking soda. 7. Stir in oats and M&M's/Chocolate chip 8. Place spoonfuls of dough onto baking sheet and bake for 10-15 minutes.