1. Preheat oven to 425°. Press pizza dough into a 14- x 9-inch rectangle in a lightly greased (with cooking spray) jelly-roll pan.
2. Bake at 425° on lower oven rack 20 minutes or until lightly browned and crisp. Meanwhile, thinly slice apples; toss with 1/2 tsp. lemon juice.
3. Stir together ricotta cheese, lemon zest, kosher salt, freshly ground black pepper, and remaining 1 tsp. lemon juice. Spread ricotta mixture over baked crust.
4. Arrange apples over ricotta mixture, and sprinkle with onion slices and almonds. Drizzle with honey. Cut into squares, and serve immediately.
Chicken-Apple Sausage Flatbread: Prepare recipe through Step 2, omitting ricotta, zest, onion, almonds, and honey. Cook 1 (12-oz.) package smoked chicken-and-apple sausage links in a skillet over medium-high heat 6 minutes or until browned; slice. Stir salt and pepper into 1/2 cup whipped cream cheese spread; spread over baked crust. Top with apples and sausage. Sprinkle with chopped fresh chives and basil. Hands-on 20 min., Total 40 min.