Possible Clues:

• Starch idiot put into sparkling wine
• Starchy crop fool put in wine
• Manioc, source of tapioca
• Edible tropical root
• Staple food of Africa's savanna
• Non-European containers north of area carrying a very foreign crop
• Vegetable wine idiot will guzzle? On the contrary
• Fool gets stuck into wine and starchy food
• Manioc, tapioca root