Step 1Heat the oven to 350 degrees.
Step 2In a medium bowl, sift together the flour, baking powder and salt. Set aside.
Step 3In the bowl of a stand mixer or in a large bowl using an electric mixer, beat together the butter and sugars until light and fluffy, about 3 to 5 minutes.
Step 4With the mixer running, add the eggs, one at a time, until incorporated. Beat in the tangerine zest, thyme and vanilla.
Step 5Slowly beat the dry ingredients into the butter mixture. Continue mixing until evenly combined to form a dough.
Step 6Gently fold the chocolate chips into the dough using a wooden spoon or spatula.
Step 7Using a tablespoon, drop the dough onto a greased baking sheet, spacing the cookies about 2 inches apart. Bake until the cookies are set and the edges are golden brown, about 12 to 15 minutes.