Heat oven to 350F. Grease bottom and sides of jelly roll pan, 15 ½x10 ½x1 inch, with shortening or spray with cooking spray. Beat flour, oats, brown sugar, butter, 1 teaspoon coffee (dry), the salt and baking soda in large bowl with electric mixer on medium speed, or mix with spoon, until crumbly. Press about 4 cups of the mixture in pan; reserve remaining crumb mixture.