1 cup yogurt
1 orange, peeled and broken into sections
1 banana, broken into chunks
1/4 cup strawberries, or more to taste
1/4 cup ice cubes, or as needed
1 teaspoon vanilla extract
1 teaspoon ground flax seeds (optional)
Blend yogurt, orange, banana, strawberries, ice, vanilla extract, and flax seeds together in a blender until smooth.