Related Clues:

• Oleo, for one
• Large ranch, say
• Elaborate food layout
• Ranch or farm
• Difference between winners and losers?
• Garage, perhaps
• Building wing, e.g.
• Extra, and this puzzle's title
• Sumptuous meal
• Include as a bonus
• The Ponderosa, e.g.
• Mayo or jam
• Build an annex
• Mayo or cream cheese
• Enlargement