Nichols

"With our oat flakes it was really hard to get the texture and crunchiness right – as we only wanted to use three ingredients, and oats are very different to process than other grains. With the costs of creating products with fewer ingredients higher and the process harder, the price points are reflective of this," explains 3Bears co-founder Caroline Nichols.

The plan, by Monroe Nichols, Tulsa's first black mayor, focuses on community redevelopment and does not involve direct payments to descendants or the two remaining survivors of the attack.

Nichols made the announcement on Sunday during Tulsa's first ever official Tulsa Race Massacre Observance Day.

"The Tulsa Race Massacre has been a stain on our city's history... hidden from history books," Nichols said.

"Now it's time to take the next big steps to restore," Nichols said.