Preheat oven to 375°.
Cream together the butter, granulated sugar and brown sugar.
Add the egg and vanilla. Mix until light in color and creamy.
Add in the dry ingredients (flour, oats, baking soda, baking powder cinnamon and salt), mix into the dough. Mix until completely combined.
Mix in the chocolate chips, peanut butter chips and toffee bits.
Portion out the dough into ½ cup portions. Roll into a ball and arrange 6 onto each cookie sheet.
Flatten each ball slightly before baking.Bake for 11-13 minutes, until the cookies have spread and are golden brown on top.
Immediately sprinkle with sea salt.
Allow the cookies to cool on the pan for 10 minutes. Serve warm.
