Batter Mixing
McCoy Number 14 Batter Mixing Bowl
McCoy Number 14 Batter Mixing Bowl
Paypal   US $79.99 		Bennington Potters Batter Bowl Mixing Bowl 1880 Blue Agate Spongeware
Bennington Potters Batter Bowl Mixing Bowl 1880 Blue Agate Spongeware
Paypal   US $39.50 		BATTER MIXING BOWL Polish Pottery CA UNIKAT 408 CHYLA
BATTER MIXING BOWL Polish Pottery CA UNIKAT 408 CHYLA
Paypal   US $85.00
BATTER MIXING BOWL Polish Pottery CA UNIKAT 392 Palka
BATTER MIXING BOWL Polish Pottery CA UNIKAT 392 Palka
Paypal   US $72.25 		Vintage Hull Pink Sun Glow Large Mixing Batter Bowl 10 Oven Ware Bowl USA
Vintage Hull Pink Sun Glow Large Mixing Batter Bowl 10 Oven Ware Bowl USA
Paypal   US $64.99 		Blue Agate Sponge Ware Bennington Pottery Potters Batter Mixing Bowl
Blue Agate Sponge Ware Bennington Pottery Potters Batter Mixing Bowl
Paypal   US $29.95
HENN art POTTERY white creamware 8 in SERVING mixing batter bowl spatterware
HENN art POTTERY white creamware 8 in SERVING mixing batter bowl spatterware
Paypal   US $9.99 		POTTERY MIXING BOWL WITH HANDLE AND SPOUT BATTER BOWL
POTTERY MIXING BOWL WITH HANDLE AND SPOUT BATTER BOWL
Paypal   US $8.99 		Batter Bowl or Mixing Bowl Handmade Wheel Thrown Stoneware Pottery Ex Cond
Batter Bowl or Mixing Bowl Handmade Wheel Thrown Stoneware Pottery Ex Cond
Paypal   US $18.88
Bennington Potters Pottery Vermont Blue Agate Spongewear Batter Mixing Bowl
Bennington Potters Pottery Vermont Blue Agate Spongewear Batter Mixing Bowl
Paypal   US $29.99 		Robinson Ransbottom Roseville Blue Spongeware Mixing Batter Serving Bowl 8 Dia
Robinson Ransbottom Roseville Blue Spongeware Mixing Batter Serving Bowl 8 Dia
Paypal   US $19.99 		Vintage USA McCoy Medium Batter Mixing Bowl Brown Pink Blue X
Vintage USA McCoy Medium Batter Mixing Bowl Brown Pink Blue X
Paypal   US $12.99

Can you substitute a batter mix for flour in rhubarb crumble?

You can, but then it won't be a crumble, it'll be a buckle or something like that, depending on the exact type of batter you use.