In a large skillet, heat 1 Tbsp sesame oil over medium-high heat. Cook and crumble ground beef until browned. Stir in ginger, chili-garlic paste, brown sugar and soy sauce. Cook until heated, about 2 minutes. Transfer to 1-cup section of meal prep container. Garnish with half of the green onions.
In a medium bowl, toss cucumbers with 1 Tbsp sesame oil and sesame seeds. Salt and pepper to taste. Transfer to second 1-cup section of meal prep container.
In a large bowl, toss together kimchi, cauliflower rice and 1/2 cup green onions. Spoon into 2-cup section of meal prep container.