Combine first 3 ingredients in a medium bowl; make a well in center of mixture. Combine milk and next 4 ingredients; add to dry ingredients, stirring just until moistened. Fold in okra and onion. Grease muffin pans, and place in a 400' oven for 5 minutes. Quickly spoon batter into prepared pans, filling two-thirds full; bake at 400' for 20 minutes or until lightly browned. Remove from pans immediately. Yield: 1-1/2 dozen