1. One thing at a time
   - in small stages, piecemeal, step-by-step, stepwise

1. A little bit at a time
   - piecemeal, little by little, in stages 
2. In a gradual manner
   - gradually, step by step

See also: gradual

• bean dip
• bean plant
• bean sprout
• bean tostada
• bean tree
• bean trefoil
• bean weevil
• bean-caper family
• bean-shaped
• beanbag
• beanball
• beaner
• beanery
• beanfeast
• beanie
• beano
• beanpole
• beanstalk
• Beantown
• beany
• bear
• bear away
• bear claw
• bear cub
• bear down on