Possible Clues:

• Submerges creamy party foods
• Cocktail hour assortment
• Bowlfuls next to the chips
• Minor declines
• Servings of sorbet
• Leap-the-___ (world's oldest operating roller coaster)
• Pickpockets, informally
• Plunges
• Party mixes
• Detective hides web address for hummus and olive oil