Mom's Chocolate Chip Cookies

Ingredients

• 1 cup unsalted butter, softened
• 1 cup brown sugar (packed)
• 1/2 cup granulated sugar
• 2 tsp pure vanilla extract
• 2 large eggs
• 2 + 1/4 cups all purpose flour
• 1 tsp baking soda
• 1/2 tsp salt
• 300g semi-sweet chocolate chips (1 package)