Homemade Oatmeal Chocolate Chip Cookies

Ingredients

• 1 1/2 cups (200 g) all-purpose flour
• 1 teaspoon (5 ml) baking powder
• 1 cup (225 g) butter, margarine, shortening or combination
• 3/4 cup (150 g) granulated sugar
• 3/4 cup (150 g) packed brown sugar (light brown preferred)
• 1 teaspoon (5 ml) pure vanilla extract
• 2 large eggs
• 2 cups (200 g) old-fashion rolled oats
• 2 cups (375 g) chocolate chips
• 1 cup (120 g) pecans or walnuts, chopped (optional)
• Vegetable cooking spray or parchment paper