Chocolate chip muffins

Name: Chocolate chip muffins
Cuisine: American
Ingredients: 2.5 cups flour; 1 cup sugar; 2 tsp baking powder; 1/2 tsp baking soda; 1/2 tsp salt; 1 cup chocolate chips; 1/4 cup veg oil; 1/3 cup melted butter; 3/4 cup butter milk; 1/3 cup yogurt; 1tbs vanilla; 2 eggs; Place all your dry ingredients into one bowl . All wet ingredients into a separate bowl . Whisk both bowls very well then combined the batter .; Mix the wet and dry together but do not over mix .; Place into oven that’s preheated to 450 degrees and bake for 6 minutes . Drop the temp to 350 degrees and continue baking for 18-20 more minutes . Every oven in different so please use a tooth pick to check