Preheat oven to 375°.
. Heat a large nonstick skillet coated with cooking spray over medium-high heat. Add onion; sauté 5 minutes. Add garlic; sauté 1 minute. Place in a large bowl; cool 5 minutes. Add cottage cheese and next 6 ingredients; stir well.
. Coat a 13 x 9-inch baking dish with cooking spray. Place 1 sheet of phyllo dough in bottom of dish, and coat lightly with cooking spray. Repeat procedure with 9 sheets of phyllo dough and cooking spray. Spread spinach mixture over phyllo, leaving a 1/2-inch border. Place 1 sheet of phyllo dough on top of spinach mixture; coat lightly with cooking spray. Repeat procedure with remaining 9 sheets of phyllo dough and cooking spray. Coat top of pie with cooking spray. Tuck corners of phyllo dough down around filling.
. Bake at 375° for 35 minutes or until filling is set and phyllo is golden brown. Let stand 5 minutes. Cut into 8 squares.