Answer:

jarful

Answer	Crossword Clue
JARFUL	Quantity of jam, say
JARFUL	Peanut butter quantity
JARFUL	Quantity of peanut butter

JARFUL	Amount of olives
JARFUL	Amount of jam or jelly beans

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.