Line a baking sheet with waxed paper.
Slice bananas into two inch pieces. Place on baking sheet and put in freezer until frozen - about 1 1/2 to 2 hours.
Place bananas and strawberries on counter and allow to thaw for about 15 minutes. Add bananas, strawberries and water to the bowl of a food processor. Pulse all ingredients until smooth.
Serve immediately.